13371280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 120

約数和(自身を含む): 35944128

約数和(自身を除く): 22572848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 43, 46, 52, 65, 80, 86, 92, 104, 115, 130, 169, 172, 184, 208, 215, 230, 260, 299, 338, 344, 368, 430, 460, 520, 559, 598, 676, 688, 845, 860, 920, 989, 1040, 1118, 1196, 1352, 1495, 1690, 1720, 1840, 1978, 2236, 2392, 2704, 2795, 2990, 3380, 3440, 3887, 3956, 4472, 4784, 4945, 5590, 5980, 6760, 7267, 7774, 7912, 8944, 9890, 11180, 11960, 12857, 13520, 14534, 15548, 15824, 19435, 19780, 22360, 23920, 25714, 29068, 31096, 36335, 38870, 39560, 44720, 51428, 58136, 62192, 64285, 72670, 77740, 79120, 102856, 116272, 128570, 145340, 155480, 167141, 205712, 257140, 290680, 310960, 334282, 514280, 581360, 668564, 835705, 1028560, 1337128, 1671410, 2674256, 3342820, 6685640, 13371280]

約数ペア:

[(1, 13371280), (2, 6685640), (4, 3342820), (5, 2674256), (8, 1671410), (10, 1337128), (13, 1028560), (16, 835705), (20, 668564), (23, 581360), (26, 514280), (40, 334282), (43, 310960), (46, 290680), (52, 257140), (65, 205712), (80, 167141), (86, 155480), (92, 145340), (104, 128570), (115, 116272), (130, 102856), (169, 79120), (172, 77740), (184, 72670), (208, 64285), (215, 62192), (230, 58136), (260, 51428), (299, 44720), (338, 39560), (344, 38870), (368, 36335), (430, 31096), (460, 29068), (520, 25714), (559, 23920), (598, 22360), (676, 19780), (688, 19435), (845, 15824), (860, 15548), (920, 14534), (989, 13520), (1040, 12857), (1118, 11960), (1196, 11180), (1352, 9890), (1495, 8944), (1690, 7912), (1720, 7774), (1840, 7267), (1978, 6760), (2236, 5980), (2392, 5590), (2704, 4945), (2795, 4784), (2990, 4472), (3380, 3956), (3440, 3887)]