123916240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2801}}^1$

素因数の和:2900

約数の個数: 80

約数和(自身を含む): 333550080

約数和(自身を除く): 209633840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1580, 2212, 2765, 2801, 3160, 4424, 5530, 5602, 6320, 8848, 11060, 11204, 14005, 19607, 22120, 22408, 28010, 39214, 44240, 44816, 56020, 78428, 98035, 112040, 156856, 196070, 221279, 224080, 313712, 392140, 442558, 784280, 885116, 1106395, 1548953, 1568560, 1770232, 2212790, 3097906, 3540464, 4425580, 6195812, 7744765, 8851160, 12391624, 15489530, 17702320, 24783248, 30979060, 61958120, 123916240]

約数ペア:

[(1, 123916240), (2, 61958120), (4, 30979060), (5, 24783248), (7, 17702320), (8, 15489530), (10, 12391624), (14, 8851160), (16, 7744765), (20, 6195812), (28, 4425580), (35, 3540464), (40, 3097906), (56, 2212790), (70, 1770232), (79, 1568560), (80, 1548953), (112, 1106395), (140, 885116), (158, 784280), (280, 442558), (316, 392140), (395, 313712), (553, 224080), (560, 221279), (632, 196070), (790, 156856), (1106, 112040), (1264, 98035), (1580, 78428), (2212, 56020), (2765, 44816), (2801, 44240), (3160, 39214), (4424, 28010), (5530, 22408), (5602, 22120), (6320, 19607), (8848, 14005), (11060, 11204)]