71098020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{2687}}^1$

素因数の和:2719

約数の個数: 144

約数和(自身を含む): 257402880

約数和(自身を除く): 186304860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2687, 2940, 3780, 4410, 5292, 5374, 6615, 8061, 8820, 10748, 13230, 13435, 16122, 18809, 24183, 26460, 26870, 32244, 37618, 40305, 48366, 53740, 56427, 72549, 75236, 80610, 94045, 96732, 112854, 120915, 131663, 145098, 161220, 169281, 188090, 225708, 241830, 263326, 282135, 290196, 338562, 362745, 376180, 394989, 483660, 507843, 526652, 564270, 658315, 677124, 725490, 789978, 846405, 1015686, 1128540, 1184967, 1316630, 1450980, 1579956, 1692810, 1974945, 2031372, 2369934, 2539215, 2633260, 3385620, 3554901, 3949890, 4739868, 5078430, 5924835, 7109802, 7899780, 10156860, 11849670, 14219604, 17774505, 23699340, 35549010, 71098020]

約数ペア:

[(1, 71098020), (2, 35549010), (3, 23699340), (4, 17774505), (5, 14219604), (6, 11849670), (7, 10156860), (9, 7899780), (10, 7109802), (12, 5924835), (14, 5078430), (15, 4739868), (18, 3949890), (20, 3554901), (21, 3385620), (27, 2633260), (28, 2539215), (30, 2369934), (35, 2031372), (36, 1974945), (42, 1692810), (45, 1579956), (49, 1450980), (54, 1316630), (60, 1184967), (63, 1128540), (70, 1015686), (84, 846405), (90, 789978), (98, 725490), (105, 677124), (108, 658315), (126, 564270), (135, 526652), (140, 507843), (147, 483660), (180, 394989), (189, 376180), (196, 362745), (210, 338562), (245, 290196), (252, 282135), (270, 263326), (294, 241830), (315, 225708), (378, 188090), (420, 169281), (441, 161220), (490, 145098), (540, 131663), (588, 120915), (630, 112854), (735, 96732), (756, 94045), (882, 80610), (945, 75236), (980, 72549), (1260, 56427), (1323, 53740), (1470, 48366), (1764, 40305), (1890, 37618), (2205, 32244), (2646, 26870), (2687, 26460), (2940, 24183), (3780, 18809), (4410, 16122), (5292, 13435), (5374, 13230), (6615, 10748), (8061, 8820)]