74047480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{907}}^1$

素因数の和:1088

約数の個数: 64

約数和(自身を含む): 180764640

約数和(自身を除く): 106717160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 628, 785, 907, 1256, 1570, 1814, 2041, 3140, 3628, 4082, 4535, 6280, 7256, 8164, 9070, 10205, 11791, 16328, 18140, 20410, 23582, 36280, 40820, 47164, 58955, 81640, 94328, 117910, 142399, 235820, 284798, 471640, 569596, 711995, 1139192, 1423990, 1851187, 2847980, 3702374, 5695960, 7404748, 9255935, 14809496, 18511870, 37023740, 74047480]

約数ペア:

[(1, 74047480), (2, 37023740), (4, 18511870), (5, 14809496), (8, 9255935), (10, 7404748), (13, 5695960), (20, 3702374), (26, 2847980), (40, 1851187), (52, 1423990), (65, 1139192), (104, 711995), (130, 569596), (157, 471640), (260, 284798), (314, 235820), (520, 142399), (628, 117910), (785, 94328), (907, 81640), (1256, 58955), (1570, 47164), (1814, 40820), (2041, 36280), (3140, 23582), (3628, 20410), (4082, 18140), (4535, 16328), (6280, 11791), (7256, 10205), (8164, 9070)]