521346280

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 256

約数和(自身を含む): 1532160000

約数和(自身を除く): 1010813720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 49, 52, 56, 65, 70, 74, 79, 91, 98, 104, 130, 140, 148, 158, 182, 185, 196, 245, 259, 260, 280, 296, 316, 343, 364, 370, 392, 395, 455, 481, 490, 518, 520, 553, 632, 637, 686, 728, 740, 790, 910, 962, 980, 1027, 1036, 1106, 1274, 1295, 1372, 1480, 1580, 1715, 1813, 1820, 1924, 1960, 2054, 2072, 2212, 2405, 2548, 2590, 2744, 2765, 2923, 3160, 3185, 3367, 3430, 3626, 3640, 3848, 3871, 4108, 4424, 4459, 4810, 5096, 5135, 5180, 5530, 5846, 6370, 6734, 6860, 7189, 7252, 7742, 8216, 8918, 9065, 9620, 10270, 10360, 11060, 11692, 12691, 12740, 13468, 13720, 14378, 14504, 14615, 15484, 16835, 17836, 18130, 19240, 19355, 20461, 20540, 22120, 22295, 23384, 23569, 25382, 25480, 26936, 27097, 28756, 29230, 30968, 33670, 35672, 35945, 36260, 37999, 38710, 40922, 41080, 44590, 47138, 50323, 50764, 54194, 57512, 58460, 63455, 67340, 71890, 72520, 75998, 77420, 81844, 89180, 94276, 100646, 101528, 102305, 108388, 116920, 117845, 126910, 134680, 135485, 143227, 143780, 151996, 154840, 163688, 164983, 178360, 188552, 189995, 201292, 204610, 216776, 235690, 251615, 253820, 265993, 270970, 286454, 287560, 303992, 329966, 352261, 379990, 402584, 409220, 471380, 503230, 507640, 531986, 541940, 572908, 659932, 704522, 716135, 759980, 818440, 824915, 942760, 1002589, 1006460, 1063972, 1083880, 1145816, 1319864, 1329965, 1409044, 1432270, 1519960, 1649830, 1761305, 1861951, 2005178, 2012920, 2127944, 2659930, 2818088, 2864540, 3299660, 3522610, 3723902, 4010356, 5012945, 5319860, 5729080, 6599320, 7045220, 7447804, 8020712, 9309755, 10025890, 10639720, 13033657, 14090440, 14895608, 18619510, 20051780, 26067314, 37239020, 40103560, 52134628, 65168285, 74478040, 104269256, 130336570, 260673140, 521346280]

約数ペア:

[(1, 521346280), (2, 260673140), (4, 130336570), (5, 104269256), (7, 74478040), (8, 65168285), (10, 52134628), (13, 40103560), (14, 37239020), (20, 26067314), (26, 20051780), (28, 18619510), (35, 14895608), (37, 14090440), (40, 13033657), (49, 10639720), (52, 10025890), (56, 9309755), (65, 8020712), (70, 7447804), (74, 7045220), (79, 6599320), (91, 5729080), (98, 5319860), (104, 5012945), (130, 4010356), (140, 3723902), (148, 3522610), (158, 3299660), (182, 2864540), (185, 2818088), (196, 2659930), (245, 2127944), (259, 2012920), (260, 2005178), (280, 1861951), (296, 1761305), (316, 1649830), (343, 1519960), (364, 1432270), (370, 1409044), (392, 1329965), (395, 1319864), (455, 1145816), (481, 1083880), (490, 1063972), (518, 1006460), (520, 1002589), (553, 942760), (632, 824915), (637, 818440), (686, 759980), (728, 716135), (740, 704522), (790, 659932), (910, 572908), (962, 541940), (980, 531986), (1027, 507640), (1036, 503230), (1106, 471380), (1274, 409220), (1295, 402584), (1372, 379990), (1480, 352261), (1580, 329966), (1715, 303992), (1813, 287560), (1820, 286454), (1924, 270970), (1960, 265993), (2054, 253820), (2072, 251615), (2212, 235690), (2405, 216776), (2548, 204610), (2590, 201292), (2744, 189995), (2765, 188552), (2923, 178360), (3160, 164983), (3185, 163688), (3367, 154840), (3430, 151996), (3626, 143780), (3640, 143227), (3848, 135485), (3871, 134680), (4108, 126910), (4424, 117845), (4459, 116920), (4810, 108388), (5096, 102305), (5135, 101528), (5180, 100646), (5530, 94276), (5846, 89180), (6370, 81844), (6734, 77420), (6860, 75998), (7189, 72520), (7252, 71890), (7742, 67340), (8216, 63455), (8918, 58460), (9065, 57512), (9620, 54194), (10270, 50764), (10360, 50323), (11060, 47138), (11692, 44590), (12691, 41080), (12740, 40922), (13468, 38710), (13720, 37999), (14378, 36260), (14504, 35945), (14615, 35672), (15484, 33670), (16835, 30968), (17836, 29230), (18130, 28756), (19240, 27097), (19355, 26936), (20461, 25480), (20540, 25382), (22120, 23569), (22295, 23384)]