81880470

素因数分解:

$2^1\times 3^4\times 5^1\times 7^2\times {\mathrm{2063}}^1$

素因数の和:2096

約数の個数: 120

約数和(自身を含む): 256237344

約数和(自身を除く): 174356874

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 81, 90, 98, 105, 126, 135, 147, 162, 189, 210, 245, 270, 294, 315, 378, 405, 441, 490, 567, 630, 735, 810, 882, 945, 1134, 1323, 1470, 1890, 2063, 2205, 2646, 2835, 3969, 4126, 4410, 5670, 6189, 6615, 7938, 10315, 12378, 13230, 14441, 18567, 19845, 20630, 28882, 30945, 37134, 39690, 43323, 55701, 61890, 72205, 86646, 92835, 101087, 111402, 129969, 144410, 167103, 185670, 202174, 216615, 259938, 278505, 303261, 334206, 389907, 433230, 505435, 557010, 606522, 649845, 779814, 835515, 909783, 1010870, 1169721, 1299690, 1516305, 1671030, 1819566, 1949535, 2339442, 2729349, 3032610, 3899070, 4548915, 5458698, 5848605, 8188047, 9097830, 11697210, 13646745, 16376094, 27293490, 40940235, 81880470]

約数ペア:

[(1, 81880470), (2, 40940235), (3, 27293490), (5, 16376094), (6, 13646745), (7, 11697210), (9, 9097830), (10, 8188047), (14, 5848605), (15, 5458698), (18, 4548915), (21, 3899070), (27, 3032610), (30, 2729349), (35, 2339442), (42, 1949535), (45, 1819566), (49, 1671030), (54, 1516305), (63, 1299690), (70, 1169721), (81, 1010870), (90, 909783), (98, 835515), (105, 779814), (126, 649845), (135, 606522), (147, 557010), (162, 505435), (189, 433230), (210, 389907), (245, 334206), (270, 303261), (294, 278505), (315, 259938), (378, 216615), (405, 202174), (441, 185670), (490, 167103), (567, 144410), (630, 129969), (735, 111402), (810, 101087), (882, 92835), (945, 86646), (1134, 72205), (1323, 61890), (1470, 55701), (1890, 43323), (2063, 39690), (2205, 37134), (2646, 30945), (2835, 28882), (3969, 20630), (4126, 19845), (4410, 18567), (5670, 14441), (6189, 13230), (6615, 12378), (7938, 10315)]