71038980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:514

約数の個数: 144

約数和(自身を含む): 230630400

約数和(自身を除く): 159591420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 31, 36, 45, 58, 60, 62, 87, 90, 93, 116, 124, 145, 155, 174, 180, 186, 261, 279, 290, 310, 348, 372, 435, 439, 465, 522, 558, 580, 620, 870, 878, 899, 930, 1044, 1116, 1305, 1317, 1395, 1740, 1756, 1798, 1860, 2195, 2610, 2634, 2697, 2790, 3596, 3951, 4390, 4495, 5220, 5268, 5394, 5580, 6585, 7902, 8091, 8780, 8990, 10788, 12731, 13170, 13485, 13609, 15804, 16182, 17980, 19755, 25462, 26340, 26970, 27218, 32364, 38193, 39510, 40455, 40827, 50924, 53940, 54436, 63655, 68045, 76386, 79020, 80910, 81654, 114579, 122481, 127310, 136090, 152772, 161820, 163308, 190965, 204135, 229158, 244962, 254620, 272180, 381930, 394661, 408270, 458316, 489924, 572895, 612405, 763860, 789322, 816540, 1145790, 1183983, 1224810, 1578644, 1973305, 2291580, 2367966, 2449620, 3551949, 3946610, 4735932, 5919915, 7103898, 7893220, 11839830, 14207796, 17759745, 23679660, 35519490, 71038980]

約数ペア:

[(1, 71038980), (2, 35519490), (3, 23679660), (4, 17759745), (5, 14207796), (6, 11839830), (9, 7893220), (10, 7103898), (12, 5919915), (15, 4735932), (18, 3946610), (20, 3551949), (29, 2449620), (30, 2367966), (31, 2291580), (36, 1973305), (45, 1578644), (58, 1224810), (60, 1183983), (62, 1145790), (87, 816540), (90, 789322), (93, 763860), (116, 612405), (124, 572895), (145, 489924), (155, 458316), (174, 408270), (180, 394661), (186, 381930), (261, 272180), (279, 254620), (290, 244962), (310, 229158), (348, 204135), (372, 190965), (435, 163308), (439, 161820), (465, 152772), (522, 136090), (558, 127310), (580, 122481), (620, 114579), (870, 81654), (878, 80910), (899, 79020), (930, 76386), (1044, 68045), (1116, 63655), (1305, 54436), (1317, 53940), (1395, 50924), (1740, 40827), (1756, 40455), (1798, 39510), (1860, 38193), (2195, 32364), (2610, 27218), (2634, 26970), (2697, 26340), (2790, 25462), (3596, 19755), (3951, 17980), (4390, 16182), (4495, 15804), (5220, 13609), (5268, 13485), (5394, 13170), (5580, 12731), (6585, 10788), (7902, 8990), (8091, 8780)]