25489440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:623

約数の個数: 144

約数和(自身を含む): 89945856

約数和(自身を除く): 64456416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 571, 620, 720, 744, 930, 992, 1116, 1142, 1240, 1395, 1440, 1488, 1713, 1860, 2232, 2284, 2480, 2790, 2855, 2976, 3426, 3720, 4464, 4568, 4960, 5139, 5580, 5710, 6852, 7440, 8565, 8928, 9136, 10278, 11160, 11420, 13704, 14880, 17130, 17701, 18272, 20556, 22320, 22840, 25695, 27408, 34260, 35402, 41112, 44640, 45680, 51390, 53103, 54816, 68520, 70804, 82224, 88505, 91360, 102780, 106206, 137040, 141608, 159309, 164448, 177010, 205560, 212412, 265515, 274080, 283216, 318618, 354020, 411120, 424824, 531030, 566432, 637236, 708040, 796545, 822240, 849648, 1062060, 1274472, 1416080, 1593090, 1699296, 2124120, 2548944, 2832160, 3186180, 4248240, 5097888, 6372360, 8496480, 12744720, 25489440]

約数ペア:

[(1, 25489440), (2, 12744720), (3, 8496480), (4, 6372360), (5, 5097888), (6, 4248240), (8, 3186180), (9, 2832160), (10, 2548944), (12, 2124120), (15, 1699296), (16, 1593090), (18, 1416080), (20, 1274472), (24, 1062060), (30, 849648), (31, 822240), (32, 796545), (36, 708040), (40, 637236), (45, 566432), (48, 531030), (60, 424824), (62, 411120), (72, 354020), (80, 318618), (90, 283216), (93, 274080), (96, 265515), (120, 212412), (124, 205560), (144, 177010), (155, 164448), (160, 159309), (180, 141608), (186, 137040), (240, 106206), (248, 102780), (279, 91360), (288, 88505), (310, 82224), (360, 70804), (372, 68520), (465, 54816), (480, 53103), (496, 51390), (558, 45680), (571, 44640), (620, 41112), (720, 35402), (744, 34260), (930, 27408), (992, 25695), (1116, 22840), (1142, 22320), (1240, 20556), (1395, 18272), (1440, 17701), (1488, 17130), (1713, 14880), (1860, 13704), (2232, 11420), (2284, 11160), (2480, 10278), (2790, 9136), (2855, 8928), (2976, 8565), (3426, 7440), (3720, 6852), (4464, 5710), (4568, 5580), (4960, 5139)]