7422640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:158

約数の個数: 80

約数和(自身を含む): 18498816

約数和(自身を除く): 11076176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 73, 80, 82, 124, 146, 155, 164, 205, 248, 292, 310, 328, 365, 410, 496, 584, 620, 656, 730, 820, 1168, 1240, 1271, 1460, 1640, 2263, 2480, 2542, 2920, 2993, 3280, 4526, 5084, 5840, 5986, 6355, 9052, 10168, 11315, 11972, 12710, 14965, 18104, 20336, 22630, 23944, 25420, 29930, 36208, 45260, 47888, 50840, 59860, 90520, 92783, 101680, 119720, 181040, 185566, 239440, 371132, 463915, 742264, 927830, 1484528, 1855660, 3711320, 7422640]

約数ペア:

[(1, 7422640), (2, 3711320), (4, 1855660), (5, 1484528), (8, 927830), (10, 742264), (16, 463915), (20, 371132), (31, 239440), (40, 185566), (41, 181040), (62, 119720), (73, 101680), (80, 92783), (82, 90520), (124, 59860), (146, 50840), (155, 47888), (164, 45260), (205, 36208), (248, 29930), (292, 25420), (310, 23944), (328, 22630), (365, 20336), (410, 18104), (496, 14965), (584, 12710), (620, 11972), (656, 11315), (730, 10168), (820, 9052), (1168, 6355), (1240, 5986), (1271, 5840), (1460, 5084), (1640, 4526), (2263, 3280), (2480, 2993), (2542, 2920)]