678665640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{757}}^1$

素因数の和:1043

約数の個数: 128

約数和(自身を含む): 2113182720

約数和(自身を除く): 1434517080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 241, 248, 310, 372, 465, 482, 620, 723, 744, 757, 930, 964, 1205, 1240, 1446, 1514, 1860, 1928, 2271, 2410, 2892, 3028, 3615, 3720, 3785, 4542, 4820, 5784, 6056, 7230, 7471, 7570, 9084, 9640, 11355, 14460, 14942, 15140, 18168, 22413, 22710, 23467, 28920, 29884, 30280, 37355, 44826, 45420, 46934, 59768, 70401, 74710, 89652, 90840, 93868, 112065, 117335, 140802, 149420, 179304, 182437, 187736, 224130, 234670, 281604, 298840, 352005, 364874, 448260, 469340, 547311, 563208, 704010, 729748, 896520, 912185, 938680, 1094622, 1408020, 1459496, 1824370, 2189244, 2736555, 2816040, 3648740, 4378488, 5473110, 5655547, 7297480, 10946220, 11311094, 16966641, 21892440, 22622188, 28277735, 33933282, 45244376, 56555470, 67866564, 84833205, 113110940, 135733128, 169666410, 226221880, 339332820, 678665640]

約数ペア:

[(1, 678665640), (2, 339332820), (3, 226221880), (4, 169666410), (5, 135733128), (6, 113110940), (8, 84833205), (10, 67866564), (12, 56555470), (15, 45244376), (20, 33933282), (24, 28277735), (30, 22622188), (31, 21892440), (40, 16966641), (60, 11311094), (62, 10946220), (93, 7297480), (120, 5655547), (124, 5473110), (155, 4378488), (186, 3648740), (241, 2816040), (248, 2736555), (310, 2189244), (372, 1824370), (465, 1459496), (482, 1408020), (620, 1094622), (723, 938680), (744, 912185), (757, 896520), (930, 729748), (964, 704010), (1205, 563208), (1240, 547311), (1446, 469340), (1514, 448260), (1860, 364874), (1928, 352005), (2271, 298840), (2410, 281604), (2892, 234670), (3028, 224130), (3615, 187736), (3720, 182437), (3785, 179304), (4542, 149420), (4820, 140802), (5784, 117335), (6056, 112065), (7230, 93868), (7471, 90840), (7570, 89652), (9084, 74710), (9640, 70401), (11355, 59768), (14460, 46934), (14942, 45420), (15140, 44826), (18168, 37355), (22413, 30280), (22710, 29884), (23467, 28920)]