1279187780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{12583}}^1$

素因数の和:12645

約数の個数: 96

約数和(自身を含む): 3196537344

約数和(自身を除く): 1917349564

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 23, 26, 34, 46, 52, 65, 68, 85, 92, 115, 130, 170, 221, 230, 260, 299, 340, 391, 442, 460, 598, 782, 884, 1105, 1196, 1495, 1564, 1955, 2210, 2990, 3910, 4420, 5083, 5980, 7820, 10166, 12583, 20332, 25166, 25415, 50332, 50830, 62915, 101660, 125830, 163579, 213911, 251660, 289409, 327158, 427822, 578818, 654316, 817895, 855644, 1069555, 1157636, 1447045, 1635790, 2139110, 2780843, 2894090, 3271580, 3762317, 4278220, 4919953, 5561686, 5788180, 7524634, 9839906, 11123372, 13904215, 15049268, 18811585, 19679812, 24599765, 27808430, 37623170, 49199530, 55616860, 63959389, 75246340, 98399060, 127918778, 255837556, 319796945, 639593890, 1279187780]

約数ペア:

[(1, 1279187780), (2, 639593890), (4, 319796945), (5, 255837556), (10, 127918778), (13, 98399060), (17, 75246340), (20, 63959389), (23, 55616860), (26, 49199530), (34, 37623170), (46, 27808430), (52, 24599765), (65, 19679812), (68, 18811585), (85, 15049268), (92, 13904215), (115, 11123372), (130, 9839906), (170, 7524634), (221, 5788180), (230, 5561686), (260, 4919953), (299, 4278220), (340, 3762317), (391, 3271580), (442, 2894090), (460, 2780843), (598, 2139110), (782, 1635790), (884, 1447045), (1105, 1157636), (1196, 1069555), (1495, 855644), (1564, 817895), (1955, 654316), (2210, 578818), (2990, 427822), (3910, 327158), (4420, 289409), (5083, 251660), (5980, 213911), (7820, 163579), (10166, 125830), (12583, 101660), (20332, 62915), (25166, 50830), (25415, 50332)]