230987640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{563}}^1$

素因数の和:853

約数の個数: 128

約数和(自身を含む): 750435840

約数和(自身を除く): 519448200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 263, 312, 390, 520, 526, 563, 780, 789, 1052, 1126, 1315, 1560, 1578, 1689, 2104, 2252, 2630, 2815, 3156, 3378, 3419, 3945, 4504, 5260, 5630, 6312, 6756, 6838, 7319, 7890, 8445, 10257, 10520, 11260, 13512, 13676, 14638, 15780, 16890, 17095, 20514, 21957, 22520, 27352, 29276, 31560, 33780, 34190, 36595, 41028, 43914, 51285, 58552, 67560, 68380, 73190, 82056, 87828, 102570, 109785, 136760, 146380, 148069, 175656, 205140, 219570, 292760, 296138, 410280, 439140, 444207, 592276, 740345, 878280, 888414, 1184552, 1480690, 1776828, 1924897, 2221035, 2961380, 3553656, 3849794, 4442070, 5774691, 5922760, 7699588, 8884140, 9624485, 11549382, 15399176, 17768280, 19248970, 23098764, 28873455, 38497940, 46197528, 57746910, 76995880, 115493820, 230987640]

約数ペア:

[(1, 230987640), (2, 115493820), (3, 76995880), (4, 57746910), (5, 46197528), (6, 38497940), (8, 28873455), (10, 23098764), (12, 19248970), (13, 17768280), (15, 15399176), (20, 11549382), (24, 9624485), (26, 8884140), (30, 7699588), (39, 5922760), (40, 5774691), (52, 4442070), (60, 3849794), (65, 3553656), (78, 2961380), (104, 2221035), (120, 1924897), (130, 1776828), (156, 1480690), (195, 1184552), (260, 888414), (263, 878280), (312, 740345), (390, 592276), (520, 444207), (526, 439140), (563, 410280), (780, 296138), (789, 292760), (1052, 219570), (1126, 205140), (1315, 175656), (1560, 148069), (1578, 146380), (1689, 136760), (2104, 109785), (2252, 102570), (2630, 87828), (2815, 82056), (3156, 73190), (3378, 68380), (3419, 67560), (3945, 58552), (4504, 51285), (5260, 43914), (5630, 41028), (6312, 36595), (6756, 34190), (6838, 33780), (7319, 31560), (7890, 29276), (8445, 27352), (10257, 22520), (10520, 21957), (11260, 20514), (13512, 17095), (13676, 16890), (14638, 15780)]