131981880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2087}}^1$

素因数の和:2149

約数の個数: 128

約数和(自身を含む): 432967680

約数和(自身を除く): 300985800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 372, 408, 465, 510, 527, 620, 680, 744, 930, 1020, 1054, 1240, 1581, 1860, 2040, 2087, 2108, 2635, 3162, 3720, 4174, 4216, 5270, 6261, 6324, 7905, 8348, 10435, 10540, 12522, 12648, 15810, 16696, 20870, 21080, 25044, 31305, 31620, 35479, 41740, 50088, 62610, 63240, 64697, 70958, 83480, 106437, 125220, 129394, 141916, 177395, 194091, 212874, 250440, 258788, 283832, 323485, 354790, 388182, 425748, 517576, 532185, 646970, 709580, 776364, 851496, 970455, 1064370, 1099849, 1293940, 1419160, 1552728, 1940910, 2128740, 2199698, 2587880, 3299547, 3881820, 4257480, 4399396, 5499245, 6599094, 7763640, 8798792, 10998490, 13198188, 16497735, 21996980, 26396376, 32995470, 43993960, 65990940, 131981880]

約数ペア:

[(1, 131981880), (2, 65990940), (3, 43993960), (4, 32995470), (5, 26396376), (6, 21996980), (8, 16497735), (10, 13198188), (12, 10998490), (15, 8798792), (17, 7763640), (20, 6599094), (24, 5499245), (30, 4399396), (31, 4257480), (34, 3881820), (40, 3299547), (51, 2587880), (60, 2199698), (62, 2128740), (68, 1940910), (85, 1552728), (93, 1419160), (102, 1293940), (120, 1099849), (124, 1064370), (136, 970455), (155, 851496), (170, 776364), (186, 709580), (204, 646970), (248, 532185), (255, 517576), (310, 425748), (340, 388182), (372, 354790), (408, 323485), (465, 283832), (510, 258788), (527, 250440), (620, 212874), (680, 194091), (744, 177395), (930, 141916), (1020, 129394), (1054, 125220), (1240, 106437), (1581, 83480), (1860, 70958), (2040, 64697), (2087, 63240), (2108, 62610), (2635, 50088), (3162, 41740), (3720, 35479), (4174, 31620), (4216, 31305), (5270, 25044), (6261, 21080), (6324, 20870), (7905, 16696), (8348, 15810), (10435, 12648), (10540, 12522)]