66640420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:533

約数の個数: 96

約数和(自身を含む): 176520960

約数和(自身を除く): 109880540

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 109, 110, 140, 154, 218, 220, 308, 385, 397, 436, 545, 763, 770, 794, 1090, 1199, 1526, 1540, 1588, 1985, 2180, 2398, 2779, 3052, 3815, 3970, 4367, 4796, 5558, 5995, 7630, 7940, 8393, 8734, 11116, 11990, 13895, 15260, 16786, 17468, 21835, 23980, 27790, 30569, 33572, 41965, 43273, 43670, 55580, 61138, 83930, 86546, 87340, 122276, 152845, 167860, 173092, 216365, 302911, 305690, 432730, 476003, 605822, 611380, 865460, 952006, 1211644, 1514555, 1904012, 2380015, 3029110, 3332021, 4760030, 6058220, 6664042, 9520060, 13328084, 16660105, 33320210, 66640420]

約数ペア:

[(1, 66640420), (2, 33320210), (4, 16660105), (5, 13328084), (7, 9520060), (10, 6664042), (11, 6058220), (14, 4760030), (20, 3332021), (22, 3029110), (28, 2380015), (35, 1904012), (44, 1514555), (55, 1211644), (70, 952006), (77, 865460), (109, 611380), (110, 605822), (140, 476003), (154, 432730), (218, 305690), (220, 302911), (308, 216365), (385, 173092), (397, 167860), (436, 152845), (545, 122276), (763, 87340), (770, 86546), (794, 83930), (1090, 61138), (1199, 55580), (1526, 43670), (1540, 43273), (1588, 41965), (1985, 33572), (2180, 30569), (2398, 27790), (2779, 23980), (3052, 21835), (3815, 17468), (3970, 16786), (4367, 15260), (4796, 13895), (5558, 11990), (5995, 11116), (7630, 8734), (7940, 8393)]