128624580

素因数分解:

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

素因数の和:179

約数の個数: 288

約数和(自身を含む): 478033920

約数和(自身を除く): 349409340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 37, 42, 45, 60, 62, 63, 70, 74, 84, 89, 90, 93, 105, 111, 124, 126, 140, 148, 155, 178, 180, 185, 186, 210, 217, 222, 252, 259, 267, 279, 310, 315, 333, 356, 370, 372, 420, 434, 444, 445, 465, 518, 534, 555, 558, 620, 623, 630, 651, 666, 740, 777, 801, 868, 890, 930, 1036, 1068, 1085, 1110, 1116, 1147, 1246, 1260, 1295, 1302, 1332, 1335, 1395, 1554, 1602, 1665, 1780, 1860, 1869, 1953, 2170, 2220, 2294, 2331, 2492, 2590, 2604, 2670, 2759, 2790, 3108, 3115, 3204, 3255, 3293, 3330, 3441, 3738, 3885, 3906, 4005, 4340, 4588, 4662, 5180, 5340, 5518, 5580, 5607, 5735, 6230, 6510, 6586, 6660, 6882, 7476, 7770, 7812, 8010, 8029, 8277, 9324, 9345, 9765, 9879, 10323, 11036, 11214, 11470, 11655, 12460, 13020, 13172, 13764, 13795, 15540, 16020, 16058, 16465, 16554, 17205, 18690, 19313, 19530, 19758, 20646, 22428, 22940, 23051, 23310, 24087, 24831, 27590, 28035, 29637, 32116, 32930, 33108, 34410, 37380, 38626, 39060, 39516, 40145, 41292, 41385, 46102, 46620, 48174, 49395, 49662, 51615, 55180, 56070, 57939, 59274, 65860, 68820, 69153, 72261, 77252, 80290, 82770, 92204, 96348, 96565, 98790, 99324, 102083, 103230, 112140, 115255, 115878, 118548, 120435, 124155, 138306, 144522, 148185, 160580, 165540, 173817, 193130, 197580, 204166, 206460, 207459, 230510, 231756, 240870, 248310, 276612, 289044, 289695, 296370, 306249, 345765, 347634, 361305, 386260, 408332, 414918, 461020, 481740, 496620, 510415, 579390, 592740, 612498, 691530, 695268, 714581, 722610, 829836, 869085, 918747, 1020830, 1037295, 1158780, 1224996, 1383060, 1429162, 1445220, 1531245, 1738170, 1837494, 2041660, 2074590, 2143743, 2858324, 3062490, 3476340, 3572905, 3674988, 4149180, 4287486, 4593735, 6124980, 6431229, 7145810, 8574972, 9187470, 10718715, 12862458, 14291620, 18374940, 21437430, 25724916, 32156145, 42874860, 64312290, 128624580]

約数ペア:

[(1, 128624580), (2, 64312290), (3, 42874860), (4, 32156145), (5, 25724916), (6, 21437430), (7, 18374940), (9, 14291620), (10, 12862458), (12, 10718715), (14, 9187470), (15, 8574972), (18, 7145810), (20, 6431229), (21, 6124980), (28, 4593735), (30, 4287486), (31, 4149180), (35, 3674988), (36, 3572905), (37, 3476340), (42, 3062490), (45, 2858324), (60, 2143743), (62, 2074590), (63, 2041660), (70, 1837494), (74, 1738170), (84, 1531245), (89, 1445220), (90, 1429162), (93, 1383060), (105, 1224996), (111, 1158780), (124, 1037295), (126, 1020830), (140, 918747), (148, 869085), (155, 829836), (178, 722610), (180, 714581), (185, 695268), (186, 691530), (210, 612498), (217, 592740), (222, 579390), (252, 510415), (259, 496620), (267, 481740), (279, 461020), (310, 414918), (315, 408332), (333, 386260), (356, 361305), (370, 347634), (372, 345765), (420, 306249), (434, 296370), (444, 289695), (445, 289044), (465, 276612), (518, 248310), (534, 240870), (555, 231756), (558, 230510), (620, 207459), (623, 206460), (630, 204166), (651, 197580), (666, 193130), (740, 173817), (777, 165540), (801, 160580), (868, 148185), (890, 144522), (930, 138306), (1036, 124155), (1068, 120435), (1085, 118548), (1110, 115878), (1116, 115255), (1147, 112140), (1246, 103230), (1260, 102083), (1295, 99324), (1302, 98790), (1332, 96565), (1335, 96348), (1395, 92204), (1554, 82770), (1602, 80290), (1665, 77252), (1780, 72261), (1860, 69153), (1869, 68820), (1953, 65860), (2170, 59274), (2220, 57939), (2294, 56070), (2331, 55180), (2492, 51615), (2590, 49662), (2604, 49395), (2670, 48174), (2759, 46620), (2790, 46102), (3108, 41385), (3115, 41292), (3204, 40145), (3255, 39516), (3293, 39060), (3330, 38626), (3441, 37380), (3738, 34410), (3885, 33108), (3906, 32930), (4005, 32116), (4340, 29637), (4588, 28035), (4662, 27590), (5180, 24831), (5340, 24087), (5518, 23310), (5580, 23051), (5607, 22940), (5735, 22428), (6230, 20646), (6510, 19758), (6586, 19530), (6660, 19313), (6882, 18690), (7476, 17205), (7770, 16554), (7812, 16465), (8010, 16058), (8029, 16020), (8277, 15540), (9324, 13795), (9345, 13764), (9765, 13172), (9879, 13020), (10323, 12460), (11036, 11655), (11214, 11470)]