68689960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{379}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 162518400

約数和(自身を除く): 93828440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 197, 230, 379, 394, 460, 758, 788, 920, 985, 1516, 1576, 1895, 1970, 3032, 3790, 3940, 4531, 7580, 7880, 8717, 9062, 15160, 17434, 18124, 22655, 34868, 36248, 43585, 45310, 69736, 74663, 87170, 90620, 149326, 174340, 181240, 298652, 348680, 373315, 597304, 746630, 1493260, 1717249, 2986520, 3434498, 6868996, 8586245, 13737992, 17172490, 34344980, 68689960]

約数ペア:

[(1, 68689960), (2, 34344980), (4, 17172490), (5, 13737992), (8, 8586245), (10, 6868996), (20, 3434498), (23, 2986520), (40, 1717249), (46, 1493260), (92, 746630), (115, 597304), (184, 373315), (197, 348680), (230, 298652), (379, 181240), (394, 174340), (460, 149326), (758, 90620), (788, 87170), (920, 74663), (985, 69736), (1516, 45310), (1576, 43585), (1895, 36248), (1970, 34868), (3032, 22655), (3790, 18124), (3940, 17434), (4531, 15160), (7580, 9062), (7880, 8717)]