255515340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{643}}^1$

素因数の和:871

約数の個数: 96

約数和(自身を含む): 740033280

約数和(自身を除く): 484517940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 179, 185, 222, 358, 370, 444, 537, 555, 643, 716, 740, 895, 1074, 1110, 1286, 1790, 1929, 2148, 2220, 2572, 2685, 3215, 3580, 3858, 5370, 6430, 6623, 7716, 9645, 10740, 12860, 13246, 19290, 19869, 23791, 26492, 33115, 38580, 39738, 47582, 66230, 71373, 79476, 95164, 99345, 115097, 118955, 132460, 142746, 198690, 230194, 237910, 285492, 345291, 356865, 397380, 460388, 475820, 575485, 690582, 713730, 1150970, 1381164, 1427460, 1726455, 2301940, 3452910, 4258589, 6905820, 8517178, 12775767, 17034356, 21292945, 25551534, 42585890, 51103068, 63878835, 85171780, 127757670, 255515340]

約数ペア:

[(1, 255515340), (2, 127757670), (3, 85171780), (4, 63878835), (5, 51103068), (6, 42585890), (10, 25551534), (12, 21292945), (15, 17034356), (20, 12775767), (30, 8517178), (37, 6905820), (60, 4258589), (74, 3452910), (111, 2301940), (148, 1726455), (179, 1427460), (185, 1381164), (222, 1150970), (358, 713730), (370, 690582), (444, 575485), (537, 475820), (555, 460388), (643, 397380), (716, 356865), (740, 345291), (895, 285492), (1074, 237910), (1110, 230194), (1286, 198690), (1790, 142746), (1929, 132460), (2148, 118955), (2220, 115097), (2572, 99345), (2685, 95164), (3215, 79476), (3580, 71373), (3858, 66230), (5370, 47582), (6430, 39738), (6623, 38580), (7716, 33115), (9645, 26492), (10740, 23791), (12860, 19869), (13246, 19290)]