90981540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{659}}^1$

素因数の和:746

約数の個数: 144

約数和(自身を含む): 302702400

約数和(自身を除く): 211720860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 59, 60, 65, 78, 90, 117, 118, 130, 156, 177, 180, 195, 234, 236, 260, 295, 354, 390, 468, 531, 585, 590, 659, 708, 767, 780, 885, 1062, 1170, 1180, 1318, 1534, 1770, 1977, 2124, 2301, 2340, 2636, 2655, 3068, 3295, 3540, 3835, 3954, 4602, 5310, 5931, 6590, 6903, 7670, 7908, 8567, 9204, 9885, 10620, 11505, 11862, 13180, 13806, 15340, 17134, 19770, 23010, 23724, 25701, 27612, 29655, 34268, 34515, 38881, 39540, 42835, 46020, 51402, 59310, 69030, 77103, 77762, 85670, 102804, 116643, 118620, 128505, 138060, 154206, 155524, 171340, 194405, 233286, 257010, 308412, 349929, 385515, 388810, 466572, 505453, 514020, 583215, 699858, 771030, 777620, 1010906, 1166430, 1399716, 1516359, 1542060, 1749645, 2021812, 2332860, 2527265, 3032718, 3499290, 4549077, 5054530, 6065436, 6998580, 7581795, 9098154, 10109060, 15163590, 18196308, 22745385, 30327180, 45490770, 90981540]

約数ペア:

[(1, 90981540), (2, 45490770), (3, 30327180), (4, 22745385), (5, 18196308), (6, 15163590), (9, 10109060), (10, 9098154), (12, 7581795), (13, 6998580), (15, 6065436), (18, 5054530), (20, 4549077), (26, 3499290), (30, 3032718), (36, 2527265), (39, 2332860), (45, 2021812), (52, 1749645), (59, 1542060), (60, 1516359), (65, 1399716), (78, 1166430), (90, 1010906), (117, 777620), (118, 771030), (130, 699858), (156, 583215), (177, 514020), (180, 505453), (195, 466572), (234, 388810), (236, 385515), (260, 349929), (295, 308412), (354, 257010), (390, 233286), (468, 194405), (531, 171340), (585, 155524), (590, 154206), (659, 138060), (708, 128505), (767, 118620), (780, 116643), (885, 102804), (1062, 85670), (1170, 77762), (1180, 77103), (1318, 69030), (1534, 59310), (1770, 51402), (1977, 46020), (2124, 42835), (2301, 39540), (2340, 38881), (2636, 34515), (2655, 34268), (3068, 29655), (3295, 27612), (3540, 25701), (3835, 23724), (3954, 23010), (4602, 19770), (5310, 17134), (5931, 15340), (6590, 13806), (6903, 13180), (7670, 11862), (7908, 11505), (8567, 10620), (9204, 9885)]