12472720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 31872960

約数和(自身を除く): 19400240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 179, 208, 260, 268, 335, 358, 520, 536, 670, 716, 871, 895, 1040, 1072, 1340, 1432, 1742, 1790, 2327, 2680, 2864, 3484, 3580, 4355, 4654, 5360, 6968, 7160, 8710, 9308, 11635, 11993, 13936, 14320, 17420, 18616, 23270, 23986, 34840, 37232, 46540, 47972, 59965, 69680, 93080, 95944, 119930, 155909, 186160, 191888, 239860, 311818, 479720, 623636, 779545, 959440, 1247272, 1559090, 2494544, 3118180, 6236360, 12472720]

約数ペア:

[(1, 12472720), (2, 6236360), (4, 3118180), (5, 2494544), (8, 1559090), (10, 1247272), (13, 959440), (16, 779545), (20, 623636), (26, 479720), (40, 311818), (52, 239860), (65, 191888), (67, 186160), (80, 155909), (104, 119930), (130, 95944), (134, 93080), (179, 69680), (208, 59965), (260, 47972), (268, 46540), (335, 37232), (358, 34840), (520, 23986), (536, 23270), (670, 18616), (716, 17420), (871, 14320), (895, 13936), (1040, 11993), (1072, 11635), (1340, 9308), (1432, 8710), (1742, 7160), (1790, 6968), (2327, 5360), (2680, 4654), (2864, 4355), (3484, 3580)]