256749480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18287}}^1$

素因数の和:18320

約数の個数: 128

約数和(自身を含む): 921715200

約数和(自身を除く): 664965720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 7020, 14040, 18287, 36574, 54861, 73148, 91435, 109722, 146296, 164583, 182870, 219444, 237731, 274305, 329166, 365740, 438888, 475462, 493749, 548610, 658332, 713193, 731480, 822915, 950924, 987498, 1097220, 1188655, 1316664, 1426386, 1645830, 1901848, 1974996, 2139579, 2194440, 2377310, 2468745, 2852772, 3291660, 3565965, 3949992, 4279158, 4754620, 4937490, 5705544, 6418737, 6583320, 7131930, 8558316, 9509240, 9874980, 10697895, 12837474, 14263860, 17116632, 19749960, 21395790, 25674948, 28527720, 32093685, 42791580, 51349896, 64187370, 85583160, 128374740, 256749480]

約数ペア:

[(1, 256749480), (2, 128374740), (3, 85583160), (4, 64187370), (5, 51349896), (6, 42791580), (8, 32093685), (9, 28527720), (10, 25674948), (12, 21395790), (13, 19749960), (15, 17116632), (18, 14263860), (20, 12837474), (24, 10697895), (26, 9874980), (27, 9509240), (30, 8558316), (36, 7131930), (39, 6583320), (40, 6418737), (45, 5705544), (52, 4937490), (54, 4754620), (60, 4279158), (65, 3949992), (72, 3565965), (78, 3291660), (90, 2852772), (104, 2468745), (108, 2377310), (117, 2194440), (120, 2139579), (130, 1974996), (135, 1901848), (156, 1645830), (180, 1426386), (195, 1316664), (216, 1188655), (234, 1097220), (260, 987498), (270, 950924), (312, 822915), (351, 731480), (360, 713193), (390, 658332), (468, 548610), (520, 493749), (540, 475462), (585, 438888), (702, 365740), (780, 329166), (936, 274305), (1080, 237731), (1170, 219444), (1404, 182870), (1560, 164583), (1755, 146296), (2340, 109722), (2808, 91435), (3510, 73148), (4680, 54861), (7020, 36574), (14040, 18287)]