30859880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 73543680

約数和(自身を除く): 42683800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 607, 620, 820, 1214, 1240, 1271, 1640, 2428, 2542, 3035, 4856, 5084, 6070, 6355, 10168, 12140, 12710, 18817, 24280, 24887, 25420, 37634, 49774, 50840, 75268, 94085, 99548, 124435, 150536, 188170, 199096, 248870, 376340, 497740, 752680, 771497, 995480, 1542994, 3085988, 3857485, 6171976, 7714970, 15429940, 30859880]

約数ペア:

[(1, 30859880), (2, 15429940), (4, 7714970), (5, 6171976), (8, 3857485), (10, 3085988), (20, 1542994), (31, 995480), (40, 771497), (41, 752680), (62, 497740), (82, 376340), (124, 248870), (155, 199096), (164, 188170), (205, 150536), (248, 124435), (310, 99548), (328, 94085), (410, 75268), (607, 50840), (620, 49774), (820, 37634), (1214, 25420), (1240, 24887), (1271, 24280), (1640, 18817), (2428, 12710), (2542, 12140), (3035, 10168), (4856, 6355), (5084, 6070)]