64957750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 150958080

約数和(自身を除く): 86000330

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 25, 26, 46, 50, 55, 65, 79, 110, 115, 125, 130, 143, 158, 230, 250, 253, 275, 286, 299, 325, 395, 506, 550, 575, 598, 650, 715, 790, 869, 1027, 1150, 1265, 1375, 1430, 1495, 1625, 1738, 1817, 1975, 2054, 2530, 2750, 2875, 2990, 3250, 3289, 3575, 3634, 3950, 4345, 5135, 5750, 6325, 6578, 7150, 7475, 8690, 9085, 9875, 10270, 11297, 12650, 14950, 16445, 17875, 18170, 19750, 19987, 21725, 22594, 23621, 25675, 31625, 32890, 35750, 37375, 39974, 43450, 45425, 47242, 51350, 56485, 63250, 74750, 82225, 90850, 99935, 108625, 112970, 118105, 128375, 164450, 199870, 217250, 227125, 236210, 256750, 259831, 282425, 411125, 454250, 499675, 519662, 564850, 590525, 822250, 999350, 1181050, 1299155, 1412125, 2498375, 2598310, 2824250, 2952625, 4996750, 5905250, 6495775, 12991550, 32478875, 64957750]

約数ペア:

[(1, 64957750), (2, 32478875), (5, 12991550), (10, 6495775), (11, 5905250), (13, 4996750), (22, 2952625), (23, 2824250), (25, 2598310), (26, 2498375), (46, 1412125), (50, 1299155), (55, 1181050), (65, 999350), (79, 822250), (110, 590525), (115, 564850), (125, 519662), (130, 499675), (143, 454250), (158, 411125), (230, 282425), (250, 259831), (253, 256750), (275, 236210), (286, 227125), (299, 217250), (325, 199870), (395, 164450), (506, 128375), (550, 118105), (575, 112970), (598, 108625), (650, 99935), (715, 90850), (790, 82225), (869, 74750), (1027, 63250), (1150, 56485), (1265, 51350), (1375, 47242), (1430, 45425), (1495, 43450), (1625, 39974), (1738, 37375), (1817, 35750), (1975, 32890), (2054, 31625), (2530, 25675), (2750, 23621), (2875, 22594), (2990, 21725), (3250, 19987), (3289, 19750), (3575, 18170), (3634, 17875), (3950, 16445), (4345, 14950), (5135, 12650), (5750, 11297), (6325, 10270), (6578, 9875), (7150, 9085), (7475, 8690)]