123643728

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^2$

素因数の和:541

約数の個数: 90

約数和(自身を含む): 374104094

約数和(自身を除く): 250460366

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 257, 312, 468, 514, 624, 771, 936, 1028, 1542, 1872, 2056, 2313, 3084, 3341, 4112, 4626, 6168, 6682, 9252, 10023, 12336, 13364, 18504, 20046, 26728, 30069, 37008, 40092, 53456, 60138, 66049, 80184, 120276, 132098, 160368, 198147, 240552, 264196, 396294, 481104, 528392, 594441, 792588, 858637, 1056784, 1188882, 1585176, 1717274, 2377764, 2575911, 3170352, 3434548, 4755528, 5151822, 6869096, 7727733, 9511056, 10303644, 13738192, 15455466, 20607288, 30910932, 41214576, 61821864, 123643728]

約数ペア:

[(1, 123643728), (2, 61821864), (3, 41214576), (4, 30910932), (6, 20607288), (8, 15455466), (9, 13738192), (12, 10303644), (13, 9511056), (16, 7727733), (18, 6869096), (24, 5151822), (26, 4755528), (36, 3434548), (39, 3170352), (48, 2575911), (52, 2377764), (72, 1717274), (78, 1585176), (104, 1188882), (117, 1056784), (144, 858637), (156, 792588), (208, 594441), (234, 528392), (257, 481104), (312, 396294), (468, 264196), (514, 240552), (624, 198147), (771, 160368), (936, 132098), (1028, 120276), (1542, 80184), (1872, 66049), (2056, 60138), (2313, 53456), (3084, 40092), (3341, 37008), (4112, 30069), (4626, 26728), (6168, 20046), (6682, 18504), (9252, 13364), (10023, 12336)]