668555.00000000

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{677}}^1$

素因数の和:790

約数の個数: 80

約数和(自身を含む): 190675296

約数和(自身を除く): 114255536

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 83, 85, 136, 166, 170, 272, 332, 340, 415, 664, 677, 680, 830, 1328, 1354, 1360, 1411, 1660, 2708, 2822, 3320, 3385, 5416, 5644, 6640, 6770, 7055, 10832, 11288, 11509, 13540, 14110, 22576, 23018, 27080, 28220, 46036, 54160, 56191, 56440, 57545, 92072, 112382, 112880, 115090, 184144, 224764, 230180, 280955, 449528, 460360, 561910, 899056, 920720, 955247, 1123820, 1910494, 2247640, 3820988, 4495280, 4776235, 7641976, 9552470, 15283952, 19104940, 38209880, 76419760]

約数ペア:

[(1, 76419760), (2, 38209880), (4, 19104940), (5, 15283952), (8, 9552470), (10, 7641976), (16, 4776235), (17, 4495280), (20, 3820988), (34, 2247640), (40, 1910494), (68, 1123820), (80, 955247), (83, 920720), (85, 899056), (136, 561910), (166, 460360), (170, 449528), (272, 280955), (332, 230180), (340, 224764), (415, 184144), (664, 115090), (677, 112880), (680, 112382), (830, 92072), (1328, 57545), (1354, 56440), (1360, 56191), (1411, 54160), (1660, 46036), (2708, 28220), (2822, 27080), (3320, 23018), (3385, 22576), (5416, 14110), (5644, 13540), (6640, 11509), (6770, 11288), (7055, 10832)]