280054680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1087}}^1$

素因数の和:1233

約数の個数: 128

約数和(自身を含む): 893030400

約数和(自身を除く): 612975720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 113, 114, 120, 152, 190, 226, 228, 285, 339, 380, 452, 456, 565, 570, 678, 760, 904, 1087, 1130, 1140, 1356, 1695, 2147, 2174, 2260, 2280, 2712, 3261, 3390, 4294, 4348, 4520, 5435, 6441, 6522, 6780, 8588, 8696, 10735, 10870, 12882, 13044, 13560, 16305, 17176, 20653, 21470, 21740, 25764, 26088, 32205, 32610, 41306, 42940, 43480, 51528, 61959, 64410, 65220, 82612, 85880, 103265, 122831, 123918, 128820, 130440, 165224, 206530, 245662, 247836, 257640, 309795, 368493, 413060, 491324, 495672, 614155, 619590, 736986, 826120, 982648, 1228310, 1239180, 1473972, 1842465, 2333789, 2456620, 2478360, 2947944, 3684930, 4667578, 4913240, 7001367, 7369860, 9335156, 11668945, 14002734, 14739720, 18670312, 23337890, 28005468, 35006835, 46675780, 56010936, 70013670, 93351560, 140027340, 280054680]

約数ペア:

[(1, 280054680), (2, 140027340), (3, 93351560), (4, 70013670), (5, 56010936), (6, 46675780), (8, 35006835), (10, 28005468), (12, 23337890), (15, 18670312), (19, 14739720), (20, 14002734), (24, 11668945), (30, 9335156), (38, 7369860), (40, 7001367), (57, 4913240), (60, 4667578), (76, 3684930), (95, 2947944), (113, 2478360), (114, 2456620), (120, 2333789), (152, 1842465), (190, 1473972), (226, 1239180), (228, 1228310), (285, 982648), (339, 826120), (380, 736986), (452, 619590), (456, 614155), (565, 495672), (570, 491324), (678, 413060), (760, 368493), (904, 309795), (1087, 257640), (1130, 247836), (1140, 245662), (1356, 206530), (1695, 165224), (2147, 130440), (2174, 128820), (2260, 123918), (2280, 122831), (2712, 103265), (3261, 85880), (3390, 82612), (4294, 65220), (4348, 64410), (4520, 61959), (5435, 51528), (6441, 43480), (6522, 42940), (6780, 41306), (8588, 32610), (8696, 32205), (10735, 26088), (10870, 25764), (12882, 21740), (13044, 21470), (13560, 20653), (16305, 17176)]