31173870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1$

素因数の和:650

約数の個数: 128

約数和(自身を含む): 97090560

約数和(自身を除く): 65916690

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 57, 65, 70, 78, 91, 95, 105, 114, 130, 133, 182, 190, 195, 210, 247, 266, 273, 285, 390, 399, 455, 494, 546, 570, 601, 665, 741, 798, 910, 1202, 1235, 1330, 1365, 1482, 1729, 1803, 1995, 2470, 2730, 3005, 3458, 3606, 3705, 3990, 4207, 5187, 6010, 7410, 7813, 8414, 8645, 9015, 10374, 11419, 12621, 15626, 17290, 18030, 21035, 22838, 23439, 25242, 25935, 34257, 39065, 42070, 46878, 51870, 54691, 57095, 63105, 68514, 78130, 79933, 109382, 114190, 117195, 126210, 148447, 159866, 164073, 171285, 234390, 239799, 273455, 296894, 328146, 342570, 399665, 445341, 479598, 546910, 742235, 799330, 820365, 890682, 1039129, 1198995, 1484470, 1640730, 2078258, 2226705, 2397990, 3117387, 4453410, 5195645, 6234774, 10391290, 15586935, 31173870]

約数ペア:

[(1, 31173870), (2, 15586935), (3, 10391290), (5, 6234774), (6, 5195645), (7, 4453410), (10, 3117387), (13, 2397990), (14, 2226705), (15, 2078258), (19, 1640730), (21, 1484470), (26, 1198995), (30, 1039129), (35, 890682), (38, 820365), (39, 799330), (42, 742235), (57, 546910), (65, 479598), (70, 445341), (78, 399665), (91, 342570), (95, 328146), (105, 296894), (114, 273455), (130, 239799), (133, 234390), (182, 171285), (190, 164073), (195, 159866), (210, 148447), (247, 126210), (266, 117195), (273, 114190), (285, 109382), (390, 79933), (399, 78130), (455, 68514), (494, 63105), (546, 57095), (570, 54691), (601, 51870), (665, 46878), (741, 42070), (798, 39065), (910, 34257), (1202, 25935), (1235, 25242), (1330, 23439), (1365, 22838), (1482, 21035), (1729, 18030), (1803, 17290), (1995, 15626), (2470, 12621), (2730, 11419), (3005, 10374), (3458, 9015), (3606, 8645), (3705, 8414), (3990, 7813), (4207, 7410), (5187, 6010)]