79120020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{733}}^1$

素因数の和:1009

約数の個数: 96

約数和(自身を含む): 254515968

約数和(自身を除く): 175395948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 257, 420, 514, 733, 771, 1028, 1285, 1466, 1542, 1799, 2199, 2570, 2932, 3084, 3598, 3665, 3855, 4398, 5131, 5140, 5397, 7196, 7330, 7710, 8796, 8995, 10262, 10794, 10995, 14660, 15393, 15420, 17990, 20524, 21588, 21990, 25655, 26985, 30786, 35980, 43980, 51310, 53970, 61572, 76965, 102620, 107940, 153930, 188381, 307860, 376762, 565143, 753524, 941905, 1130286, 1318667, 1883810, 2260572, 2637334, 2825715, 3767620, 3956001, 5274668, 5651430, 6593335, 7912002, 11302860, 13186670, 15824004, 19780005, 26373340, 39560010, 79120020]

約数ペア:

[(1, 79120020), (2, 39560010), (3, 26373340), (4, 19780005), (5, 15824004), (6, 13186670), (7, 11302860), (10, 7912002), (12, 6593335), (14, 5651430), (15, 5274668), (20, 3956001), (21, 3767620), (28, 2825715), (30, 2637334), (35, 2260572), (42, 1883810), (60, 1318667), (70, 1130286), (84, 941905), (105, 753524), (140, 565143), (210, 376762), (257, 307860), (420, 188381), (514, 153930), (733, 107940), (771, 102620), (1028, 76965), (1285, 61572), (1466, 53970), (1542, 51310), (1799, 43980), (2199, 35980), (2570, 30786), (2932, 26985), (3084, 25655), (3598, 21990), (3665, 21588), (3855, 20524), (4398, 17990), (5131, 15420), (5140, 15393), (5397, 14660), (7196, 10995), (7330, 10794), (7710, 10262), (8796, 8995)]