71444940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1324

約数の個数: 144

約数和(自身を含む): 245145600

約数和(自身を除く): 173700660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1279, 1330, 1470, 1596, 1862, 1995, 2558, 2660, 2793, 2940, 3724, 3837, 3990, 4655, 5116, 5586, 6395, 7674, 7980, 8953, 9310, 11172, 12790, 13965, 15348, 17906, 18620, 19185, 24301, 25580, 26859, 27930, 35812, 38370, 44765, 48602, 53718, 55860, 62671, 72903, 76740, 89530, 97204, 107436, 121505, 125342, 134295, 145806, 170107, 179060, 188013, 243010, 250684, 268590, 291612, 313355, 340214, 364515, 376026, 486020, 510321, 537180, 626710, 680428, 729030, 752052, 850535, 940065, 1020642, 1190749, 1253420, 1458060, 1701070, 1880130, 2041284, 2381498, 2551605, 3402140, 3572247, 3760260, 4762996, 5103210, 5953745, 7144494, 10206420, 11907490, 14288988, 17861235, 23814980, 35722470, 71444940]

約数ペア:

[(1, 71444940), (2, 35722470), (3, 23814980), (4, 17861235), (5, 14288988), (6, 11907490), (7, 10206420), (10, 7144494), (12, 5953745), (14, 5103210), (15, 4762996), (19, 3760260), (20, 3572247), (21, 3402140), (28, 2551605), (30, 2381498), (35, 2041284), (38, 1880130), (42, 1701070), (49, 1458060), (57, 1253420), (60, 1190749), (70, 1020642), (76, 940065), (84, 850535), (95, 752052), (98, 729030), (105, 680428), (114, 626710), (133, 537180), (140, 510321), (147, 486020), (190, 376026), (196, 364515), (210, 340214), (228, 313355), (245, 291612), (266, 268590), (285, 250684), (294, 243010), (380, 188013), (399, 179060), (420, 170107), (490, 145806), (532, 134295), (570, 125342), (588, 121505), (665, 107436), (735, 97204), (798, 89530), (931, 76740), (980, 72903), (1140, 62671), (1279, 55860), (1330, 53718), (1470, 48602), (1596, 44765), (1862, 38370), (1995, 35812), (2558, 27930), (2660, 26859), (2793, 25580), (2940, 24301), (3724, 19185), (3837, 18620), (3990, 17906), (4655, 15348), (5116, 13965), (5586, 12790), (6395, 11172), (7674, 9310), (7980, 8953)]