74688040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1699}}^1$

素因数の和:1874

約数の個数: 64

約数和(自身を含む): 193392000

約数和(自身を除く): 118703960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 628, 785, 1099, 1256, 1570, 1699, 2198, 3140, 3398, 4396, 5495, 6280, 6796, 8495, 8792, 10990, 11893, 13592, 16990, 21980, 23786, 33980, 43960, 47572, 59465, 67960, 95144, 118930, 237860, 266743, 475720, 533486, 1066972, 1333715, 1867201, 2133944, 2667430, 3734402, 5334860, 7468804, 9336005, 10669720, 14937608, 18672010, 37344020, 74688040]

約数ペア:

[(1, 74688040), (2, 37344020), (4, 18672010), (5, 14937608), (7, 10669720), (8, 9336005), (10, 7468804), (14, 5334860), (20, 3734402), (28, 2667430), (35, 2133944), (40, 1867201), (56, 1333715), (70, 1066972), (140, 533486), (157, 475720), (280, 266743), (314, 237860), (628, 118930), (785, 95144), (1099, 67960), (1256, 59465), (1570, 47572), (1699, 43960), (2198, 33980), (3140, 23786), (3398, 21980), (4396, 16990), (5495, 13592), (6280, 11893), (6796, 10990), (8495, 8792)]