255180120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4421}}^1$

素因数の和:4485

約数の個数: 128

約数和(自身を含む): 846901440

約数和(自身を除く): 591721320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 370, 390, 444, 481, 520, 555, 740, 780, 888, 962, 1110, 1443, 1480, 1560, 1924, 2220, 2405, 2886, 3848, 4421, 4440, 4810, 5772, 7215, 8842, 9620, 11544, 13263, 14430, 17684, 19240, 22105, 26526, 28860, 35368, 44210, 53052, 57473, 57720, 66315, 88420, 106104, 114946, 132630, 163577, 172419, 176840, 229892, 265260, 287365, 327154, 344838, 459784, 490731, 530520, 574730, 654308, 689676, 817885, 862095, 981462, 1149460, 1308616, 1379352, 1635770, 1724190, 1962924, 2126501, 2298920, 2453655, 3271540, 3448380, 3925848, 4253002, 4907310, 6379503, 6543080, 6896760, 8506004, 9814620, 10632505, 12759006, 17012008, 19629240, 21265010, 25518012, 31897515, 42530020, 51036024, 63795030, 85060040, 127590060, 255180120]

約数ペア:

[(1, 255180120), (2, 127590060), (3, 85060040), (4, 63795030), (5, 51036024), (6, 42530020), (8, 31897515), (10, 25518012), (12, 21265010), (13, 19629240), (15, 17012008), (20, 12759006), (24, 10632505), (26, 9814620), (30, 8506004), (37, 6896760), (39, 6543080), (40, 6379503), (52, 4907310), (60, 4253002), (65, 3925848), (74, 3448380), (78, 3271540), (104, 2453655), (111, 2298920), (120, 2126501), (130, 1962924), (148, 1724190), (156, 1635770), (185, 1379352), (195, 1308616), (222, 1149460), (260, 981462), (296, 862095), (312, 817885), (370, 689676), (390, 654308), (444, 574730), (481, 530520), (520, 490731), (555, 459784), (740, 344838), (780, 327154), (888, 287365), (962, 265260), (1110, 229892), (1443, 176840), (1480, 172419), (1560, 163577), (1924, 132630), (2220, 114946), (2405, 106104), (2886, 88420), (3848, 66315), (4421, 57720), (4440, 57473), (4810, 53052), (5772, 44210), (7215, 35368), (8842, 28860), (9620, 26526), (11544, 22105), (13263, 19240), (14430, 17684)]