68680680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:419

約数の個数: 128

約数和(自身を含む): 220682880

約数和(自身を除く): 152002200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 131, 136, 170, 204, 255, 257, 262, 340, 393, 408, 510, 514, 524, 655, 680, 771, 786, 1020, 1028, 1048, 1285, 1310, 1542, 1572, 1965, 2040, 2056, 2227, 2570, 2620, 3084, 3144, 3855, 3930, 4369, 4454, 5140, 5240, 6168, 6681, 7710, 7860, 8738, 8908, 10280, 11135, 13107, 13362, 15420, 15720, 17476, 17816, 21845, 22270, 26214, 26724, 30840, 33405, 33667, 34952, 43690, 44540, 52428, 53448, 65535, 66810, 67334, 87380, 89080, 101001, 104856, 131070, 133620, 134668, 168335, 174760, 202002, 262140, 267240, 269336, 336670, 404004, 505005, 524280, 572339, 673340, 808008, 1010010, 1144678, 1346680, 1717017, 2020020, 2289356, 2861695, 3434034, 4040040, 4578712, 5723390, 6868068, 8585085, 11446780, 13736136, 17170170, 22893560, 34340340, 68680680]

約数ペア:

[(1, 68680680), (2, 34340340), (3, 22893560), (4, 17170170), (5, 13736136), (6, 11446780), (8, 8585085), (10, 6868068), (12, 5723390), (15, 4578712), (17, 4040040), (20, 3434034), (24, 2861695), (30, 2289356), (34, 2020020), (40, 1717017), (51, 1346680), (60, 1144678), (68, 1010010), (85, 808008), (102, 673340), (120, 572339), (131, 524280), (136, 505005), (170, 404004), (204, 336670), (255, 269336), (257, 267240), (262, 262140), (340, 202002), (393, 174760), (408, 168335), (510, 134668), (514, 133620), (524, 131070), (655, 104856), (680, 101001), (771, 89080), (786, 87380), (1020, 67334), (1028, 66810), (1048, 65535), (1285, 53448), (1310, 52428), (1542, 44540), (1572, 43690), (1965, 34952), (2040, 33667), (2056, 33405), (2227, 30840), (2570, 26724), (2620, 26214), (3084, 22270), (3144, 21845), (3855, 17816), (3930, 17476), (4369, 15720), (4454, 15420), (5140, 13362), (5240, 13107), (6168, 11135), (6681, 10280), (7710, 8908), (7860, 8738)]