68360120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 159999840

約数和(自身を除く): 91639720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 73, 82, 146, 164, 205, 292, 328, 365, 410, 571, 584, 730, 820, 1142, 1460, 1640, 2284, 2855, 2920, 2993, 4568, 5710, 5986, 11420, 11972, 14965, 22840, 23411, 23944, 29930, 41683, 46822, 59860, 83366, 93644, 117055, 119720, 166732, 187288, 208415, 234110, 333464, 416830, 468220, 833660, 936440, 1667320, 1709003, 3418006, 6836012, 8545015, 13672024, 17090030, 34180060, 68360120]

約数ペア:

[(1, 68360120), (2, 34180060), (4, 17090030), (5, 13672024), (8, 8545015), (10, 6836012), (20, 3418006), (40, 1709003), (41, 1667320), (73, 936440), (82, 833660), (146, 468220), (164, 416830), (205, 333464), (292, 234110), (328, 208415), (365, 187288), (410, 166732), (571, 119720), (584, 117055), (730, 93644), (820, 83366), (1142, 59860), (1460, 46822), (1640, 41683), (2284, 29930), (2855, 23944), (2920, 23411), (2993, 22840), (4568, 14965), (5710, 11972), (5986, 11420)]