681626760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1889}}^1$

素因数の和:2031

約数の個数: 128

約数和(自身を含む): 2133734400

約数和(自身を除く): 1452107640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 97, 120, 124, 155, 186, 194, 248, 291, 310, 372, 388, 465, 485, 582, 620, 744, 776, 930, 970, 1164, 1240, 1455, 1860, 1889, 1940, 2328, 2910, 3007, 3720, 3778, 3880, 5667, 5820, 6014, 7556, 9021, 9445, 11334, 11640, 12028, 15035, 15112, 18042, 18890, 22668, 24056, 28335, 30070, 36084, 37780, 45105, 45336, 56670, 58559, 60140, 72168, 75560, 90210, 113340, 117118, 120280, 175677, 180420, 183233, 226680, 234236, 292795, 351354, 360840, 366466, 468472, 549699, 585590, 702708, 732932, 878385, 916165, 1099398, 1171180, 1405416, 1465864, 1756770, 1832330, 2198796, 2342360, 2748495, 3513540, 3664660, 4397592, 5496990, 5680223, 7027080, 7329320, 10993980, 11360446, 17040669, 21987960, 22720892, 28401115, 34081338, 45441784, 56802230, 68162676, 85203345, 113604460, 136325352, 170406690, 227208920, 340813380, 681626760]

約数ペア:

[(1, 681626760), (2, 340813380), (3, 227208920), (4, 170406690), (5, 136325352), (6, 113604460), (8, 85203345), (10, 68162676), (12, 56802230), (15, 45441784), (20, 34081338), (24, 28401115), (30, 22720892), (31, 21987960), (40, 17040669), (60, 11360446), (62, 10993980), (93, 7329320), (97, 7027080), (120, 5680223), (124, 5496990), (155, 4397592), (186, 3664660), (194, 3513540), (248, 2748495), (291, 2342360), (310, 2198796), (372, 1832330), (388, 1756770), (465, 1465864), (485, 1405416), (582, 1171180), (620, 1099398), (744, 916165), (776, 878385), (930, 732932), (970, 702708), (1164, 585590), (1240, 549699), (1455, 468472), (1860, 366466), (1889, 360840), (1940, 351354), (2328, 292795), (2910, 234236), (3007, 226680), (3720, 183233), (3778, 180420), (3880, 175677), (5667, 120280), (5820, 117118), (6014, 113340), (7556, 90210), (9021, 75560), (9445, 72168), (11334, 60140), (11640, 58559), (12028, 56670), (15035, 45336), (15112, 45105), (18042, 37780), (18890, 36084), (22668, 30070), (24056, 28335)]