512720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:72

約数の個数: 80

約数和(自身を含む): 1406160

約数和(自身を除く): 893440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 29, 34, 40, 52, 58, 65, 68, 80, 85, 104, 116, 130, 136, 145, 170, 208, 221, 232, 260, 272, 290, 340, 377, 442, 464, 493, 520, 580, 680, 754, 884, 986, 1040, 1105, 1160, 1360, 1508, 1768, 1885, 1972, 2210, 2320, 2465, 3016, 3536, 3770, 3944, 4420, 4930, 6032, 6409, 7540, 7888, 8840, 9860, 12818, 15080, 17680, 19720, 25636, 30160, 32045, 39440, 51272, 64090, 102544, 128180, 256360, 512720]

約数ペア:

[(1, 512720), (2, 256360), (4, 128180), (5, 102544), (8, 64090), (10, 51272), (13, 39440), (16, 32045), (17, 30160), (20, 25636), (26, 19720), (29, 17680), (34, 15080), (40, 12818), (52, 9860), (58, 8840), (65, 7888), (68, 7540), (80, 6409), (85, 6032), (104, 4930), (116, 4420), (130, 3944), (136, 3770), (145, 3536), (170, 3016), (208, 2465), (221, 2320), (232, 2210), (260, 1972), (272, 1885), (290, 1768), (340, 1508), (377, 1360), (442, 1160), (464, 1105), (493, 1040), (520, 986), (580, 884), (680, 754)]