459680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:58

約数の個数: 72

約数和(自身を含む): 1245132

約数和(自身を除く): 785452

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 169, 170, 208, 221, 260, 272, 338, 340, 416, 442, 520, 544, 676, 680, 845, 884, 1040, 1105, 1352, 1360, 1690, 1768, 2080, 2210, 2704, 2720, 2873, 3380, 3536, 4420, 5408, 5746, 6760, 7072, 8840, 11492, 13520, 14365, 17680, 22984, 27040, 28730, 35360, 45968, 57460, 91936, 114920, 229840, 459680]

約数ペア:

[(1, 459680), (2, 229840), (4, 114920), (5, 91936), (8, 57460), (10, 45968), (13, 35360), (16, 28730), (17, 27040), (20, 22984), (26, 17680), (32, 14365), (34, 13520), (40, 11492), (52, 8840), (65, 7072), (68, 6760), (80, 5746), (85, 5408), (104, 4420), (130, 3536), (136, 3380), (160, 2873), (169, 2720), (170, 2704), (208, 2210), (221, 2080), (260, 1768), (272, 1690), (338, 1360), (340, 1352), (416, 1105), (442, 1040), (520, 884), (544, 845), (676, 680)]