71518860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1831}}^1$

素因数の和:1884

約数の個数: 144

約数和(自身を含む): 256069632

約数和(自身を除く): 184550772

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1831, 1860, 1953, 2170, 2604, 2790, 3255, 3662, 3906, 4340, 5493, 5580, 6510, 7324, 7812, 9155, 9765, 10986, 12817, 13020, 16479, 18310, 19530, 21972, 25634, 27465, 32958, 36620, 38451, 39060, 51268, 54930, 56761, 64085, 65916, 76902, 82395, 109860, 113522, 115353, 128170, 153804, 164790, 170283, 192255, 227044, 230706, 256340, 283805, 329580, 340566, 384510, 397327, 461412, 510849, 567610, 576765, 681132, 769020, 794654, 851415, 1021698, 1135220, 1153530, 1191981, 1589308, 1702830, 1986635, 2043396, 2307060, 2383962, 2554245, 3405660, 3575943, 3973270, 4767924, 5108490, 5959905, 7151886, 7946540, 10216980, 11919810, 14303772, 17879715, 23839620, 35759430, 71518860]

約数ペア:

[(1, 71518860), (2, 35759430), (3, 23839620), (4, 17879715), (5, 14303772), (6, 11919810), (7, 10216980), (9, 7946540), (10, 7151886), (12, 5959905), (14, 5108490), (15, 4767924), (18, 3973270), (20, 3575943), (21, 3405660), (28, 2554245), (30, 2383962), (31, 2307060), (35, 2043396), (36, 1986635), (42, 1702830), (45, 1589308), (60, 1191981), (62, 1153530), (63, 1135220), (70, 1021698), (84, 851415), (90, 794654), (93, 769020), (105, 681132), (124, 576765), (126, 567610), (140, 510849), (155, 461412), (180, 397327), (186, 384510), (210, 340566), (217, 329580), (252, 283805), (279, 256340), (310, 230706), (315, 227044), (372, 192255), (420, 170283), (434, 164790), (465, 153804), (558, 128170), (620, 115353), (630, 113522), (651, 109860), (868, 82395), (930, 76902), (1085, 65916), (1116, 64085), (1260, 56761), (1302, 54930), (1395, 51268), (1831, 39060), (1860, 38451), (1953, 36620), (2170, 32958), (2604, 27465), (2790, 25634), (3255, 21972), (3662, 19530), (3906, 18310), (4340, 16479), (5493, 13020), (5580, 12817), (6510, 10986), (7324, 9765), (7812, 9155)]