3108040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 7761600

約数和(自身を除く): 4653560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 139, 172, 215, 260, 278, 344, 430, 520, 556, 559, 695, 860, 1112, 1118, 1390, 1720, 1807, 2236, 2780, 2795, 3614, 4472, 5560, 5590, 5977, 7228, 9035, 11180, 11954, 14456, 18070, 22360, 23908, 29885, 36140, 47816, 59770, 72280, 77701, 119540, 155402, 239080, 310804, 388505, 621608, 777010, 1554020, 3108040]

約数ペア:

[(1, 3108040), (2, 1554020), (4, 777010), (5, 621608), (8, 388505), (10, 310804), (13, 239080), (20, 155402), (26, 119540), (40, 77701), (43, 72280), (52, 59770), (65, 47816), (86, 36140), (104, 29885), (130, 23908), (139, 22360), (172, 18070), (215, 14456), (260, 11954), (278, 11180), (344, 9035), (430, 7228), (520, 5977), (556, 5590), (559, 5560), (695, 4472), (860, 3614), (1112, 2795), (1118, 2780), (1390, 2236), (1720, 1807)]