157617160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 398131200

約数和(自身を除く): 240514040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 71, 76, 92, 95, 115, 127, 142, 152, 184, 190, 230, 254, 284, 355, 380, 437, 460, 508, 568, 635, 710, 760, 874, 920, 1016, 1270, 1349, 1420, 1633, 1748, 2185, 2413, 2540, 2698, 2840, 2921, 3266, 3496, 4370, 4826, 5080, 5396, 5842, 6532, 6745, 8165, 8740, 9017, 9652, 10792, 11684, 12065, 13064, 13490, 14605, 16330, 17480, 18034, 19304, 23368, 24130, 26980, 29210, 31027, 32660, 36068, 45085, 48260, 53960, 55499, 58420, 62054, 65320, 72136, 90170, 96520, 110998, 116840, 124108, 155135, 171323, 180340, 207391, 221996, 248216, 277495, 310270, 342646, 360680, 414782, 443992, 554990, 620540, 685292, 829564, 856615, 1036955, 1109980, 1241080, 1370584, 1659128, 1713230, 2073910, 2219960, 3426460, 3940429, 4147820, 6852920, 7880858, 8295640, 15761716, 19702145, 31523432, 39404290, 78808580, 157617160]

約数ペア:

[(1, 157617160), (2, 78808580), (4, 39404290), (5, 31523432), (8, 19702145), (10, 15761716), (19, 8295640), (20, 7880858), (23, 6852920), (38, 4147820), (40, 3940429), (46, 3426460), (71, 2219960), (76, 2073910), (92, 1713230), (95, 1659128), (115, 1370584), (127, 1241080), (142, 1109980), (152, 1036955), (184, 856615), (190, 829564), (230, 685292), (254, 620540), (284, 554990), (355, 443992), (380, 414782), (437, 360680), (460, 342646), (508, 310270), (568, 277495), (635, 248216), (710, 221996), (760, 207391), (874, 180340), (920, 171323), (1016, 155135), (1270, 124108), (1349, 116840), (1420, 110998), (1633, 96520), (1748, 90170), (2185, 72136), (2413, 65320), (2540, 62054), (2698, 58420), (2840, 55499), (2921, 53960), (3266, 48260), (3496, 45085), (4370, 36068), (4826, 32660), (5080, 31027), (5396, 29210), (5842, 26980), (6532, 24130), (6745, 23368), (8165, 19304), (8740, 18034), (9017, 17480), (9652, 16330), (10792, 14605), (11684, 13490), (12065, 13064)]