491389680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{66047}}^1$

素因数の和:66094

約数の個数: 80

約数和(自身を含む): 1572470784

約数和(自身を除く): 1081081104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 66047, 132094, 198141, 264188, 330235, 396282, 528376, 660470, 792564, 990705, 1056752, 1320940, 1585128, 1981410, 2047457, 2641880, 3170256, 3962820, 4094914, 5283760, 6142371, 7925640, 8189828, 10237285, 12284742, 15851280, 16379656, 20474570, 24569484, 30711855, 32759312, 40949140, 49138968, 61423710, 81898280, 98277936, 122847420, 163796560, 245694840, 491389680]

約数ペア:

[(1, 491389680), (2, 245694840), (3, 163796560), (4, 122847420), (5, 98277936), (6, 81898280), (8, 61423710), (10, 49138968), (12, 40949140), (15, 32759312), (16, 30711855), (20, 24569484), (24, 20474570), (30, 16379656), (31, 15851280), (40, 12284742), (48, 10237285), (60, 8189828), (62, 7925640), (80, 6142371), (93, 5283760), (120, 4094914), (124, 3962820), (155, 3170256), (186, 2641880), (240, 2047457), (248, 1981410), (310, 1585128), (372, 1320940), (465, 1056752), (496, 990705), (620, 792564), (744, 660470), (930, 528376), (1240, 396282), (1488, 330235), (1860, 264188), (2480, 198141), (3720, 132094), (7440, 66047)]