77586640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:760

約数の個数: 80

約数和(自身を含む): 193447440

約数和(自身を除く): 115860800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 89, 136, 170, 178, 272, 340, 356, 445, 641, 680, 712, 890, 1282, 1360, 1424, 1513, 1780, 2564, 3026, 3205, 3560, 5128, 6052, 6410, 7120, 7565, 10256, 10897, 12104, 12820, 15130, 21794, 24208, 25640, 30260, 43588, 51280, 54485, 57049, 60520, 87176, 108970, 114098, 121040, 174352, 217940, 228196, 285245, 435880, 456392, 570490, 871760, 912784, 969833, 1140980, 1939666, 2281960, 3879332, 4563920, 4849165, 7758664, 9698330, 15517328, 19396660, 38793320, 77586640]

約数ペア:

[(1, 77586640), (2, 38793320), (4, 19396660), (5, 15517328), (8, 9698330), (10, 7758664), (16, 4849165), (17, 4563920), (20, 3879332), (34, 2281960), (40, 1939666), (68, 1140980), (80, 969833), (85, 912784), (89, 871760), (136, 570490), (170, 456392), (178, 435880), (272, 285245), (340, 228196), (356, 217940), (445, 174352), (641, 121040), (680, 114098), (712, 108970), (890, 87176), (1282, 60520), (1360, 57049), (1424, 54485), (1513, 51280), (1780, 43588), (2564, 30260), (3026, 25640), (3205, 24208), (3560, 21794), (5128, 15130), (6052, 12820), (6410, 12104), (7120, 10897), (7565, 10256)]