253216080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2081}}^1$

素因数の和:2126

約数の個数: 180

約数和(自身を含む): 921272508

約数和(自身を除く): 668056428

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 169, 180, 195, 208, 234, 240, 260, 312, 338, 360, 390, 468, 507, 520, 585, 624, 676, 720, 780, 845, 936, 1014, 1040, 1170, 1352, 1521, 1560, 1690, 1872, 2028, 2081, 2340, 2535, 2704, 3042, 3120, 3380, 4056, 4162, 4680, 5070, 6084, 6243, 6760, 7605, 8112, 8324, 9360, 10140, 10405, 12168, 12486, 13520, 15210, 16648, 18729, 20280, 20810, 24336, 24972, 27053, 30420, 31215, 33296, 37458, 40560, 41620, 49944, 54106, 60840, 62430, 74916, 81159, 83240, 93645, 99888, 108212, 121680, 124860, 135265, 149832, 162318, 166480, 187290, 216424, 243477, 249720, 270530, 299664, 324636, 351689, 374580, 405795, 432848, 486954, 499440, 541060, 649272, 703378, 749160, 811590, 973908, 1055067, 1082120, 1217385, 1298544, 1406756, 1498320, 1623180, 1758445, 1947816, 2110134, 2164240, 2434770, 2813512, 3165201, 3246360, 3516890, 3895632, 4220268, 4869540, 5275335, 5627024, 6330402, 6492720, 7033780, 8440536, 9739080, 10550670, 12660804, 14067560, 15826005, 16881072, 19478160, 21101340, 25321608, 28135120, 31652010, 42202680, 50643216, 63304020, 84405360, 126608040, 253216080]

約数ペア:

[(1, 253216080), (2, 126608040), (3, 84405360), (4, 63304020), (5, 50643216), (6, 42202680), (8, 31652010), (9, 28135120), (10, 25321608), (12, 21101340), (13, 19478160), (15, 16881072), (16, 15826005), (18, 14067560), (20, 12660804), (24, 10550670), (26, 9739080), (30, 8440536), (36, 7033780), (39, 6492720), (40, 6330402), (45, 5627024), (48, 5275335), (52, 4869540), (60, 4220268), (65, 3895632), (72, 3516890), (78, 3246360), (80, 3165201), (90, 2813512), (104, 2434770), (117, 2164240), (120, 2110134), (130, 1947816), (144, 1758445), (156, 1623180), (169, 1498320), (180, 1406756), (195, 1298544), (208, 1217385), (234, 1082120), (240, 1055067), (260, 973908), (312, 811590), (338, 749160), (360, 703378), (390, 649272), (468, 541060), (507, 499440), (520, 486954), (585, 432848), (624, 405795), (676, 374580), (720, 351689), (780, 324636), (845, 299664), (936, 270530), (1014, 249720), (1040, 243477), (1170, 216424), (1352, 187290), (1521, 166480), (1560, 162318), (1690, 149832), (1872, 135265), (2028, 124860), (2081, 121680), (2340, 108212), (2535, 99888), (2704, 93645), (3042, 83240), (3120, 81159), (3380, 74916), (4056, 62430), (4162, 60840), (4680, 54106), (5070, 49944), (6084, 41620), (6243, 40560), (6760, 37458), (7605, 33296), (8112, 31215), (8324, 30420), (9360, 27053), (10140, 24972), (10405, 24336), (12168, 20810), (12486, 20280), (13520, 18729), (15210, 16648)]