255643830

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:623

約数の個数: 128

約数和(自身を含む): 740154240

約数和(自身を除く): 484510410

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 173, 195, 234, 270, 346, 351, 390, 421, 519, 585, 702, 842, 865, 1038, 1170, 1263, 1557, 1730, 1755, 2105, 2249, 2526, 2595, 3114, 3510, 3789, 4210, 4498, 4671, 5190, 5473, 6315, 6747, 7578, 7785, 9342, 10946, 11245, 11367, 12630, 13494, 15570, 16419, 18945, 20241, 22490, 22734, 23355, 27365, 32838, 33735, 37890, 40482, 46710, 49257, 54730, 56835, 60723, 67470, 72833, 82095, 98514, 101205, 113670, 121446, 145666, 147771, 164190, 202410, 218499, 246285, 295542, 303615, 364165, 436998, 492570, 607230, 655497, 728330, 738855, 946829, 1092495, 1310994, 1477710, 1893658, 1966491, 2184990, 2840487, 3277485, 3932982, 4734145, 5680974, 6554970, 8521461, 9468290, 9832455, 14202435, 17042922, 19664910, 25564383, 28404870, 42607305, 51128766, 85214610, 127821915, 255643830]

約数ペア:

[(1, 255643830), (2, 127821915), (3, 85214610), (5, 51128766), (6, 42607305), (9, 28404870), (10, 25564383), (13, 19664910), (15, 17042922), (18, 14202435), (26, 9832455), (27, 9468290), (30, 8521461), (39, 6554970), (45, 5680974), (54, 4734145), (65, 3932982), (78, 3277485), (90, 2840487), (117, 2184990), (130, 1966491), (135, 1893658), (173, 1477710), (195, 1310994), (234, 1092495), (270, 946829), (346, 738855), (351, 728330), (390, 655497), (421, 607230), (519, 492570), (585, 436998), (702, 364165), (842, 303615), (865, 295542), (1038, 246285), (1170, 218499), (1263, 202410), (1557, 164190), (1730, 147771), (1755, 145666), (2105, 121446), (2249, 113670), (2526, 101205), (2595, 98514), (3114, 82095), (3510, 72833), (3789, 67470), (4210, 60723), (4498, 56835), (4671, 54730), (5190, 49257), (5473, 46710), (6315, 40482), (6747, 37890), (7578, 33735), (7785, 32838), (9342, 27365), (10946, 23355), (11245, 22734), (11367, 22490), (12630, 20241), (13494, 18945), (15570, 16419)]