66994280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1187}}^1$

素因数の和:1298

約数の個数: 64

約数和(自身を含む): 161663040

約数和(自身を除く): 94668760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 83, 85, 136, 166, 170, 332, 340, 415, 664, 680, 830, 1187, 1411, 1660, 2374, 2822, 3320, 4748, 5644, 5935, 7055, 9496, 11288, 11870, 14110, 20179, 23740, 28220, 40358, 47480, 56440, 80716, 98521, 100895, 161432, 197042, 201790, 394084, 403580, 492605, 788168, 807160, 985210, 1674857, 1970420, 3349714, 3940840, 6699428, 8374285, 13398856, 16748570, 33497140, 66994280]

約数ペア:

[(1, 66994280), (2, 33497140), (4, 16748570), (5, 13398856), (8, 8374285), (10, 6699428), (17, 3940840), (20, 3349714), (34, 1970420), (40, 1674857), (68, 985210), (83, 807160), (85, 788168), (136, 492605), (166, 403580), (170, 394084), (332, 201790), (340, 197042), (415, 161432), (664, 100895), (680, 98521), (830, 80716), (1187, 56440), (1411, 47480), (1660, 40358), (2374, 28220), (2822, 23740), (3320, 20179), (4748, 14110), (5644, 11870), (5935, 11288), (7055, 9496)]