81410160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:395

約数の個数: 160

約数和(自身を含む): 275607360

約数和(自身を除く): 194197200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 97, 104, 120, 130, 156, 194, 195, 208, 240, 260, 269, 291, 312, 388, 390, 485, 520, 538, 582, 624, 776, 780, 807, 970, 1040, 1076, 1164, 1261, 1345, 1455, 1552, 1560, 1614, 1940, 2152, 2328, 2522, 2690, 2910, 3120, 3228, 3497, 3783, 3880, 4035, 4304, 4656, 5044, 5380, 5820, 6305, 6456, 6994, 7566, 7760, 8070, 10088, 10491, 10760, 11640, 12610, 12912, 13988, 15132, 16140, 17485, 18915, 20176, 20982, 21520, 23280, 25220, 26093, 27976, 30264, 32280, 34970, 37830, 41964, 50440, 52186, 52455, 55952, 60528, 64560, 69940, 75660, 78279, 83928, 100880, 104372, 104910, 130465, 139880, 151320, 156558, 167856, 208744, 209820, 260930, 279760, 302640, 313116, 339209, 391395, 417488, 419640, 521860, 626232, 678418, 782790, 839280, 1017627, 1043720, 1252464, 1356836, 1565580, 1696045, 2035254, 2087440, 2713672, 3131160, 3392090, 4070508, 5088135, 5427344, 6262320, 6784180, 8141016, 10176270, 13568360, 16282032, 20352540, 27136720, 40705080, 81410160]

約数ペア:

[(1, 81410160), (2, 40705080), (3, 27136720), (4, 20352540), (5, 16282032), (6, 13568360), (8, 10176270), (10, 8141016), (12, 6784180), (13, 6262320), (15, 5427344), (16, 5088135), (20, 4070508), (24, 3392090), (26, 3131160), (30, 2713672), (39, 2087440), (40, 2035254), (48, 1696045), (52, 1565580), (60, 1356836), (65, 1252464), (78, 1043720), (80, 1017627), (97, 839280), (104, 782790), (120, 678418), (130, 626232), (156, 521860), (194, 419640), (195, 417488), (208, 391395), (240, 339209), (260, 313116), (269, 302640), (291, 279760), (312, 260930), (388, 209820), (390, 208744), (485, 167856), (520, 156558), (538, 151320), (582, 139880), (624, 130465), (776, 104910), (780, 104372), (807, 100880), (970, 83928), (1040, 78279), (1076, 75660), (1164, 69940), (1261, 64560), (1345, 60528), (1455, 55952), (1552, 52455), (1560, 52186), (1614, 50440), (1940, 41964), (2152, 37830), (2328, 34970), (2522, 32280), (2690, 30264), (2910, 27976), (3120, 26093), (3228, 25220), (3497, 23280), (3783, 21520), (3880, 20982), (4035, 20176), (4304, 18915), (4656, 17485), (5044, 16140), (5380, 15132), (5820, 13988), (6305, 12912), (6456, 12610), (6994, 11640), (7566, 10760), (7760, 10491), (8070, 10088)]