2156385560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1\times {\mathrm{439}}^1$

素因数の和:841

約数の個数: 128

約数和(自身を含む): 5679590400

約数和(自身を除く): 3523204840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 331, 371, 424, 439, 530, 662, 742, 878, 1060, 1324, 1484, 1655, 1756, 1855, 2120, 2195, 2317, 2648, 2968, 3073, 3310, 3512, 3710, 4390, 4634, 6146, 6620, 7420, 8780, 9268, 11585, 12292, 13240, 14840, 15365, 17543, 17560, 18536, 23170, 23267, 24584, 30730, 35086, 46340, 46534, 61460, 70172, 87715, 92680, 93068, 116335, 122801, 122920, 140344, 145309, 162869, 175430, 186136, 232670, 245602, 290618, 325738, 350860, 465340, 491204, 581236, 614005, 651476, 701720, 726545, 814345, 930680, 982408, 1017163, 1162472, 1228010, 1302952, 1453090, 1628690, 2034326, 2456020, 2906180, 3257380, 4068652, 4912040, 5085815, 5812360, 6514760, 7701377, 8137304, 10171630, 15402754, 20343260, 30805508, 38506885, 40686520, 53909639, 61611016, 77013770, 107819278, 154027540, 215638556, 269548195, 308055080, 431277112, 539096390, 1078192780, 2156385560]

約数ペア:

[(1, 2156385560), (2, 1078192780), (4, 539096390), (5, 431277112), (7, 308055080), (8, 269548195), (10, 215638556), (14, 154027540), (20, 107819278), (28, 77013770), (35, 61611016), (40, 53909639), (53, 40686520), (56, 38506885), (70, 30805508), (106, 20343260), (140, 15402754), (212, 10171630), (265, 8137304), (280, 7701377), (331, 6514760), (371, 5812360), (424, 5085815), (439, 4912040), (530, 4068652), (662, 3257380), (742, 2906180), (878, 2456020), (1060, 2034326), (1324, 1628690), (1484, 1453090), (1655, 1302952), (1756, 1228010), (1855, 1162472), (2120, 1017163), (2195, 982408), (2317, 930680), (2648, 814345), (2968, 726545), (3073, 701720), (3310, 651476), (3512, 614005), (3710, 581236), (4390, 491204), (4634, 465340), (6146, 350860), (6620, 325738), (7420, 290618), (8780, 245602), (9268, 232670), (11585, 186136), (12292, 175430), (13240, 162869), (14840, 145309), (15365, 140344), (17543, 122920), (17560, 122801), (18536, 116335), (23170, 93068), (23267, 92680), (24584, 87715), (30730, 70172), (35086, 61460), (46340, 46534)]