257901840

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:527

約数の個数: 320

約数和(自身を含む): 1044933120

約数和(自身を除く): 787031280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 37, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 74, 80, 84, 90, 105, 108, 111, 112, 120, 126, 135, 140, 144, 148, 168, 180, 185, 189, 210, 216, 222, 240, 252, 259, 270, 280, 296, 315, 333, 336, 360, 370, 378, 420, 432, 444, 461, 504, 518, 540, 555, 560, 592, 630, 666, 720, 740, 756, 777, 840, 888, 922, 945, 999, 1008, 1036, 1080, 1110, 1260, 1295, 1332, 1383, 1480, 1512, 1554, 1665, 1680, 1776, 1844, 1890, 1998, 2072, 2160, 2220, 2305, 2331, 2520, 2590, 2664, 2766, 2960, 3024, 3108, 3227, 3330, 3688, 3780, 3885, 3996, 4144, 4149, 4440, 4610, 4662, 4995, 5040, 5180, 5328, 5532, 6216, 6454, 6660, 6915, 6993, 7376, 7560, 7770, 7992, 8298, 8880, 9220, 9324, 9681, 9990, 10360, 11064, 11655, 12432, 12447, 12908, 13320, 13830, 13986, 15120, 15540, 15984, 16135, 16596, 17057, 18440, 18648, 19362, 19980, 20720, 20745, 22128, 23310, 24894, 25816, 26640, 27660, 27972, 29043, 31080, 32270, 33192, 34114, 34965, 36880, 37296, 38724, 39960, 41490, 46620, 48405, 49788, 51171, 51632, 55320, 55944, 58086, 62160, 62235, 64540, 66384, 68228, 69930, 77448, 79920, 82980, 85285, 87129, 93240, 96810, 99576, 102342, 110640, 111888, 116172, 119399, 124470, 129080, 136456, 139860, 145215, 153513, 154896, 165960, 170570, 174258, 186480, 193620, 199152, 204684, 232344, 238798, 248940, 255855, 258160, 272912, 279720, 290430, 307026, 331920, 341140, 348516, 358197, 387240, 409368, 435645, 460539, 464688, 477596, 497880, 511710, 559440, 580860, 596995, 614052, 682280, 697032, 716394, 767565, 774480, 818736, 871290, 921078, 955192, 995760, 1023420, 1074591, 1161720, 1193990, 1228104, 1364560, 1394064, 1432788, 1535130, 1742580, 1790985, 1842156, 1910384, 2046840, 2149182, 2302695, 2323440, 2387980, 2456208, 2865576, 3070260, 3223773, 3485160, 3581970, 3684312, 4093680, 4298364, 4605390, 4775960, 5372955, 5731152, 6140520, 6447546, 6970320, 7163940, 7368624, 8596728, 9210780, 9551920, 10745910, 12281040, 12895092, 14327880, 16118865, 17193456, 18421560, 21491820, 25790184, 28655760, 32237730, 36843120, 42983640, 51580368, 64475460, 85967280, 128950920, 257901840]

約数ペア:

[(1, 257901840), (2, 128950920), (3, 85967280), (4, 64475460), (5, 51580368), (6, 42983640), (7, 36843120), (8, 32237730), (9, 28655760), (10, 25790184), (12, 21491820), (14, 18421560), (15, 17193456), (16, 16118865), (18, 14327880), (20, 12895092), (21, 12281040), (24, 10745910), (27, 9551920), (28, 9210780), (30, 8596728), (35, 7368624), (36, 7163940), (37, 6970320), (40, 6447546), (42, 6140520), (45, 5731152), (48, 5372955), (54, 4775960), (56, 4605390), (60, 4298364), (63, 4093680), (70, 3684312), (72, 3581970), (74, 3485160), (80, 3223773), (84, 3070260), (90, 2865576), (105, 2456208), (108, 2387980), (111, 2323440), (112, 2302695), (120, 2149182), (126, 2046840), (135, 1910384), (140, 1842156), (144, 1790985), (148, 1742580), (168, 1535130), (180, 1432788), (185, 1394064), (189, 1364560), (210, 1228104), (216, 1193990), (222, 1161720), (240, 1074591), (252, 1023420), (259, 995760), (270, 955192), (280, 921078), (296, 871290), (315, 818736), (333, 774480), (336, 767565), (360, 716394), (370, 697032), (378, 682280), (420, 614052), (432, 596995), (444, 580860), (461, 559440), (504, 511710), (518, 497880), (540, 477596), (555, 464688), (560, 460539), (592, 435645), (630, 409368), (666, 387240), (720, 358197), (740, 348516), (756, 341140), (777, 331920), (840, 307026), (888, 290430), (922, 279720), (945, 272912), (999, 258160), (1008, 255855), (1036, 248940), (1080, 238798), (1110, 232344), (1260, 204684), (1295, 199152), (1332, 193620), (1383, 186480), (1480, 174258), (1512, 170570), (1554, 165960), (1665, 154896), (1680, 153513), (1776, 145215), (1844, 139860), (1890, 136456), (1998, 129080), (2072, 124470), (2160, 119399), (2220, 116172), (2305, 111888), (2331, 110640), (2520, 102342), (2590, 99576), (2664, 96810), (2766, 93240), (2960, 87129), (3024, 85285), (3108, 82980), (3227, 79920), (3330, 77448), (3688, 69930), (3780, 68228), (3885, 66384), (3996, 64540), (4144, 62235), (4149, 62160), (4440, 58086), (4610, 55944), (4662, 55320), (4995, 51632), (5040, 51171), (5180, 49788), (5328, 48405), (5532, 46620), (6216, 41490), (6454, 39960), (6660, 38724), (6915, 37296), (6993, 36880), (7376, 34965), (7560, 34114), (7770, 33192), (7992, 32270), (8298, 31080), (8880, 29043), (9220, 27972), (9324, 27660), (9681, 26640), (9990, 25816), (10360, 24894), (11064, 23310), (11655, 22128), (12432, 20745), (12447, 20720), (12908, 19980), (13320, 19362), (13830, 18648), (13986, 18440), (15120, 17057), (15540, 16596), (15984, 16135)]