260673140

素因数分解:

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

素因数の和:159

約数の個数: 192

約数和(自身を含む): 715008000

約数和(自身を除く): 454334860

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 49, 52, 65, 70, 74, 79, 91, 98, 130, 140, 148, 158, 182, 185, 196, 245, 259, 260, 316, 343, 364, 370, 395, 455, 481, 490, 518, 553, 637, 686, 740, 790, 910, 962, 980, 1027, 1036, 1106, 1274, 1295, 1372, 1580, 1715, 1813, 1820, 1924, 2054, 2212, 2405, 2548, 2590, 2765, 2923, 3185, 3367, 3430, 3626, 3871, 4108, 4459, 4810, 5135, 5180, 5530, 5846, 6370, 6734, 6860, 7189, 7252, 7742, 8918, 9065, 9620, 10270, 11060, 11692, 12691, 12740, 13468, 14378, 14615, 15484, 16835, 17836, 18130, 19355, 20461, 20540, 22295, 23569, 25382, 27097, 28756, 29230, 33670, 35945, 36260, 37999, 38710, 40922, 44590, 47138, 50323, 50764, 54194, 58460, 63455, 67340, 71890, 75998, 77420, 81844, 89180, 94276, 100646, 102305, 108388, 117845, 126910, 135485, 143227, 143780, 151996, 164983, 189995, 201292, 204610, 235690, 251615, 253820, 265993, 270970, 286454, 329966, 352261, 379990, 409220, 471380, 503230, 531986, 541940, 572908, 659932, 704522, 716135, 759980, 824915, 1002589, 1006460, 1063972, 1329965, 1409044, 1432270, 1649830, 1761305, 1861951, 2005178, 2659930, 2864540, 3299660, 3522610, 3723902, 4010356, 5012945, 5319860, 7045220, 7447804, 9309755, 10025890, 13033657, 18619510, 20051780, 26067314, 37239020, 52134628, 65168285, 130336570, 260673140]

約数ペア:

[(1, 260673140), (2, 130336570), (4, 65168285), (5, 52134628), (7, 37239020), (10, 26067314), (13, 20051780), (14, 18619510), (20, 13033657), (26, 10025890), (28, 9309755), (35, 7447804), (37, 7045220), (49, 5319860), (52, 5012945), (65, 4010356), (70, 3723902), (74, 3522610), (79, 3299660), (91, 2864540), (98, 2659930), (130, 2005178), (140, 1861951), (148, 1761305), (158, 1649830), (182, 1432270), (185, 1409044), (196, 1329965), (245, 1063972), (259, 1006460), (260, 1002589), (316, 824915), (343, 759980), (364, 716135), (370, 704522), (395, 659932), (455, 572908), (481, 541940), (490, 531986), (518, 503230), (553, 471380), (637, 409220), (686, 379990), (740, 352261), (790, 329966), (910, 286454), (962, 270970), (980, 265993), (1027, 253820), (1036, 251615), (1106, 235690), (1274, 204610), (1295, 201292), (1372, 189995), (1580, 164983), (1715, 151996), (1813, 143780), (1820, 143227), (1924, 135485), (2054, 126910), (2212, 117845), (2405, 108388), (2548, 102305), (2590, 100646), (2765, 94276), (2923, 89180), (3185, 81844), (3367, 77420), (3430, 75998), (3626, 71890), (3871, 67340), (4108, 63455), (4459, 58460), (4810, 54194), (5135, 50764), (5180, 50323), (5530, 47138), (5846, 44590), (6370, 40922), (6734, 38710), (6860, 37999), (7189, 36260), (7252, 35945), (7742, 33670), (8918, 29230), (9065, 28756), (9620, 27097), (10270, 25382), (11060, 23569), (11692, 22295), (12691, 20540), (12740, 20461), (13468, 19355), (14378, 18130), (14615, 17836), (15484, 16835)]