257249160

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 384

約数和(自身を含む): 1024358400

約数和(自身を除く): 767109240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 37, 40, 42, 45, 56, 60, 62, 63, 70, 72, 74, 84, 89, 90, 93, 105, 111, 120, 124, 126, 140, 148, 155, 168, 178, 180, 185, 186, 210, 217, 222, 248, 252, 259, 267, 279, 280, 296, 310, 315, 333, 356, 360, 370, 372, 420, 434, 444, 445, 465, 504, 518, 534, 555, 558, 620, 623, 630, 651, 666, 712, 740, 744, 777, 801, 840, 868, 888, 890, 930, 1036, 1068, 1085, 1110, 1116, 1147, 1240, 1246, 1260, 1295, 1302, 1332, 1335, 1395, 1480, 1554, 1602, 1665, 1736, 1780, 1860, 1869, 1953, 2072, 2136, 2170, 2220, 2232, 2294, 2331, 2492, 2520, 2590, 2604, 2664, 2670, 2759, 2790, 3108, 3115, 3204, 3255, 3293, 3330, 3441, 3560, 3720, 3738, 3885, 3906, 4005, 4340, 4440, 4588, 4662, 4984, 5180, 5208, 5340, 5518, 5580, 5607, 5735, 6216, 6230, 6408, 6510, 6586, 6660, 6882, 7476, 7770, 7812, 8010, 8029, 8277, 8680, 9176, 9324, 9345, 9765, 9879, 10323, 10360, 10680, 11036, 11160, 11214, 11470, 11655, 12460, 13020, 13172, 13320, 13764, 13795, 14952, 15540, 15624, 16020, 16058, 16465, 16554, 17205, 18648, 18690, 19313, 19530, 19758, 20646, 22072, 22428, 22940, 23051, 23310, 24087, 24831, 24920, 26040, 26344, 27528, 27590, 28035, 29637, 31080, 32040, 32116, 32930, 33108, 34410, 37380, 38626, 39060, 39516, 40145, 41292, 41385, 44856, 45880, 46102, 46620, 48174, 49395, 49662, 51615, 55180, 56070, 57939, 59274, 64232, 65860, 66216, 68820, 69153, 72261, 74760, 77252, 78120, 79032, 80290, 82584, 82770, 92204, 93240, 96348, 96565, 98790, 99324, 102083, 103230, 110360, 112140, 115255, 115878, 118548, 120435, 124155, 131720, 137640, 138306, 144522, 148185, 154504, 160580, 165540, 173817, 184408, 192696, 193130, 197580, 198648, 204166, 206460, 207459, 224280, 230510, 231756, 237096, 240870, 248310, 276612, 289044, 289695, 296370, 306249, 321160, 331080, 345765, 347634, 361305, 386260, 395160, 408332, 412920, 414918, 461020, 463512, 481740, 496620, 510415, 553224, 578088, 579390, 592740, 612498, 691530, 695268, 714581, 722610, 772520, 816664, 829836, 869085, 918747, 922040, 963480, 993240, 1020830, 1037295, 1158780, 1185480, 1224996, 1383060, 1390536, 1429162, 1445220, 1531245, 1659672, 1738170, 1837494, 2041660, 2074590, 2143743, 2317560, 2449992, 2766120, 2858324, 2890440, 3062490, 3476340, 3572905, 3674988, 4083320, 4149180, 4287486, 4593735, 5716648, 6124980, 6431229, 6952680, 7145810, 7349976, 8298360, 8574972, 9187470, 10718715, 12249960, 12862458, 14291620, 17149944, 18374940, 21437430, 25724916, 28583240, 32156145, 36749880, 42874860, 51449832, 64312290, 85749720, 128624580, 257249160]

約数ペア:

[(1, 257249160), (2, 128624580), (3, 85749720), (4, 64312290), (5, 51449832), (6, 42874860), (7, 36749880), (8, 32156145), (9, 28583240), (10, 25724916), (12, 21437430), (14, 18374940), (15, 17149944), (18, 14291620), (20, 12862458), (21, 12249960), (24, 10718715), (28, 9187470), (30, 8574972), (31, 8298360), (35, 7349976), (36, 7145810), (37, 6952680), (40, 6431229), (42, 6124980), (45, 5716648), (56, 4593735), (60, 4287486), (62, 4149180), (63, 4083320), (70, 3674988), (72, 3572905), (74, 3476340), (84, 3062490), (89, 2890440), (90, 2858324), (93, 2766120), (105, 2449992), (111, 2317560), (120, 2143743), (124, 2074590), (126, 2041660), (140, 1837494), (148, 1738170), (155, 1659672), (168, 1531245), (178, 1445220), (180, 1429162), (185, 1390536), (186, 1383060), (210, 1224996), (217, 1185480), (222, 1158780), (248, 1037295), (252, 1020830), (259, 993240), (267, 963480), (279, 922040), (280, 918747), (296, 869085), (310, 829836), (315, 816664), (333, 772520), (356, 722610), (360, 714581), (370, 695268), (372, 691530), (420, 612498), (434, 592740), (444, 579390), (445, 578088), (465, 553224), (504, 510415), (518, 496620), (534, 481740), (555, 463512), (558, 461020), (620, 414918), (623, 412920), (630, 408332), (651, 395160), (666, 386260), (712, 361305), (740, 347634), (744, 345765), (777, 331080), (801, 321160), (840, 306249), (868, 296370), (888, 289695), (890, 289044), (930, 276612), (1036, 248310), (1068, 240870), (1085, 237096), (1110, 231756), (1116, 230510), (1147, 224280), (1240, 207459), (1246, 206460), (1260, 204166), (1295, 198648), (1302, 197580), (1332, 193130), (1335, 192696), (1395, 184408), (1480, 173817), (1554, 165540), (1602, 160580), (1665, 154504), (1736, 148185), (1780, 144522), (1860, 138306), (1869, 137640), (1953, 131720), (2072, 124155), (2136, 120435), (2170, 118548), (2220, 115878), (2232, 115255), (2294, 112140), (2331, 110360), (2492, 103230), (2520, 102083), (2590, 99324), (2604, 98790), (2664, 96565), (2670, 96348), (2759, 93240), (2790, 92204), (3108, 82770), (3115, 82584), (3204, 80290), (3255, 79032), (3293, 78120), (3330, 77252), (3441, 74760), (3560, 72261), (3720, 69153), (3738, 68820), (3885, 66216), (3906, 65860), (4005, 64232), (4340, 59274), (4440, 57939), (4588, 56070), (4662, 55180), (4984, 51615), (5180, 49662), (5208, 49395), (5340, 48174), (5518, 46620), (5580, 46102), (5607, 45880), (5735, 44856), (6216, 41385), (6230, 41292), (6408, 40145), (6510, 39516), (6586, 39060), (6660, 38626), (6882, 37380), (7476, 34410), (7770, 33108), (7812, 32930), (8010, 32116), (8029, 32040), (8277, 31080), (8680, 29637), (9176, 28035), (9324, 27590), (9345, 27528), (9765, 26344), (9879, 26040), (10323, 24920), (10360, 24831), (10680, 24087), (11036, 23310), (11160, 23051), (11214, 22940), (11470, 22428), (11655, 22072), (12460, 20646), (13020, 19758), (13172, 19530), (13320, 19313), (13764, 18690), (13795, 18648), (14952, 17205), (15540, 16554), (15624, 16465), (16020, 16058)]