1639860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 4647552

約数和(自身を除く): 3007692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 151, 181, 302, 362, 453, 543, 604, 724, 755, 905, 906, 1086, 1510, 1810, 1812, 2172, 2265, 2715, 3020, 3620, 4530, 5430, 9060, 10860, 27331, 54662, 81993, 109324, 136655, 163986, 273310, 327972, 409965, 546620, 819930, 1639860]

約数ペア:

[(1, 1639860), (2, 819930), (3, 546620), (4, 409965), (5, 327972), (6, 273310), (10, 163986), (12, 136655), (15, 109324), (20, 81993), (30, 54662), (60, 27331), (151, 10860), (181, 9060), (302, 5430), (362, 4530), (453, 3620), (543, 3020), (604, 2715), (724, 2265), (755, 2172), (905, 1812), (906, 1810), (1086, 1510)]