78808580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 185794560

約数和(自身を除く): 106985980

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 71, 76, 92, 95, 115, 127, 142, 190, 230, 254, 284, 355, 380, 437, 460, 508, 635, 710, 874, 1270, 1349, 1420, 1633, 1748, 2185, 2413, 2540, 2698, 2921, 3266, 4370, 4826, 5396, 5842, 6532, 6745, 8165, 8740, 9017, 9652, 11684, 12065, 13490, 14605, 16330, 18034, 24130, 26980, 29210, 31027, 32660, 36068, 45085, 48260, 55499, 58420, 62054, 90170, 110998, 124108, 155135, 171323, 180340, 207391, 221996, 277495, 310270, 342646, 414782, 554990, 620540, 685292, 829564, 856615, 1036955, 1109980, 1713230, 2073910, 3426460, 3940429, 4147820, 7880858, 15761716, 19702145, 39404290, 78808580]

約数ペア:

[(1, 78808580), (2, 39404290), (4, 19702145), (5, 15761716), (10, 7880858), (19, 4147820), (20, 3940429), (23, 3426460), (38, 2073910), (46, 1713230), (71, 1109980), (76, 1036955), (92, 856615), (95, 829564), (115, 685292), (127, 620540), (142, 554990), (190, 414782), (230, 342646), (254, 310270), (284, 277495), (355, 221996), (380, 207391), (437, 180340), (460, 171323), (508, 155135), (635, 124108), (710, 110998), (874, 90170), (1270, 62054), (1349, 58420), (1420, 55499), (1633, 48260), (1748, 45085), (2185, 36068), (2413, 32660), (2540, 31027), (2698, 29210), (2921, 26980), (3266, 24130), (4370, 18034), (4826, 16330), (5396, 14605), (5842, 13490), (6532, 12065), (6745, 11684), (8165, 9652), (8740, 9017)]