77668860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21221}}^1$

素因数の和:21294

約数の個数: 48

約数和(自身を含む): 221048352

約数和(自身を除く): 143379492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 21221, 42442, 63663, 84884, 106105, 127326, 212210, 254652, 318315, 424420, 636630, 1273260, 1294481, 2588962, 3883443, 5177924, 6472405, 7766886, 12944810, 15533772, 19417215, 25889620, 38834430, 77668860]

約数ペア:

[(1, 77668860), (2, 38834430), (3, 25889620), (4, 19417215), (5, 15533772), (6, 12944810), (10, 7766886), (12, 6472405), (15, 5177924), (20, 3883443), (30, 2588962), (60, 1294481), (61, 1273260), (122, 636630), (183, 424420), (244, 318315), (305, 254652), (366, 212210), (610, 127326), (732, 106105), (915, 84884), (1220, 63663), (1830, 42442), (3660, 21221)]