71397920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:498

約数の個数: 96

約数和(自身を含む): 186157440

約数和(自身を除く): 114759520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 113, 160, 176, 220, 226, 352, 359, 440, 452, 565, 718, 880, 904, 1130, 1243, 1436, 1760, 1795, 1808, 2260, 2486, 2872, 3590, 3616, 3949, 4520, 4972, 5744, 6215, 7180, 7898, 9040, 9944, 11488, 12430, 14360, 15796, 18080, 19745, 19888, 24860, 28720, 31592, 39490, 39776, 40567, 49720, 57440, 63184, 78980, 81134, 99440, 126368, 157960, 162268, 198880, 202835, 315920, 324536, 405670, 446237, 631840, 649072, 811340, 892474, 1298144, 1622680, 1784948, 2231185, 3245360, 3569896, 4462370, 6490720, 7139792, 8924740, 14279584, 17849480, 35698960, 71397920]

約数ペア:

[(1, 71397920), (2, 35698960), (4, 17849480), (5, 14279584), (8, 8924740), (10, 7139792), (11, 6490720), (16, 4462370), (20, 3569896), (22, 3245360), (32, 2231185), (40, 1784948), (44, 1622680), (55, 1298144), (80, 892474), (88, 811340), (110, 649072), (113, 631840), (160, 446237), (176, 405670), (220, 324536), (226, 315920), (352, 202835), (359, 198880), (440, 162268), (452, 157960), (565, 126368), (718, 99440), (880, 81134), (904, 78980), (1130, 63184), (1243, 57440), (1436, 49720), (1760, 40567), (1795, 39776), (1808, 39490), (2260, 31592), (2486, 28720), (2872, 24860), (3590, 19888), (3616, 19745), (3949, 18080), (4520, 15796), (4972, 14360), (5744, 12430), (6215, 11488), (7180, 9944), (7898, 9040)]