66146560

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1667}}^1$

素因数の和:1719

約数の個数: 72

約数和(自身を含む): 163650816

約数和(自身を除く): 97504256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1667, 1984, 2480, 3334, 3968, 4960, 6668, 7936, 8335, 9920, 13336, 16670, 19840, 26672, 33340, 39680, 51677, 53344, 66680, 103354, 106688, 133360, 206708, 213376, 258385, 266720, 413416, 426752, 516770, 533440, 826832, 1033540, 1066880, 1653664, 2067080, 2133760, 3307328, 4134160, 6614656, 8268320, 13229312, 16536640, 33073280, 66146560]

約数ペア:

[(1, 66146560), (2, 33073280), (4, 16536640), (5, 13229312), (8, 8268320), (10, 6614656), (16, 4134160), (20, 3307328), (31, 2133760), (32, 2067080), (40, 1653664), (62, 1066880), (64, 1033540), (80, 826832), (124, 533440), (128, 516770), (155, 426752), (160, 413416), (248, 266720), (256, 258385), (310, 213376), (320, 206708), (496, 133360), (620, 106688), (640, 103354), (992, 66680), (1240, 53344), (1280, 51677), (1667, 39680), (1984, 33340), (2480, 26672), (3334, 19840), (3968, 16670), (4960, 13336), (6668, 9920), (7936, 8335)]