61491980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 151925760

約数和(自身を除く): 90433780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 47, 55, 76, 94, 95, 110, 188, 190, 209, 220, 235, 313, 380, 418, 470, 517, 626, 836, 893, 940, 1034, 1045, 1252, 1565, 1786, 2068, 2090, 2585, 3130, 3443, 3572, 4180, 4465, 5170, 5947, 6260, 6886, 8930, 9823, 10340, 11894, 13772, 14711, 17215, 17860, 19646, 23788, 29422, 29735, 34430, 39292, 49115, 58844, 59470, 65417, 68860, 73555, 98230, 118940, 130834, 147110, 161821, 196460, 261668, 279509, 294220, 323642, 327085, 559018, 647284, 654170, 809105, 1118036, 1308340, 1397545, 1618210, 2795090, 3074599, 3236420, 5590180, 6149198, 12298396, 15372995, 30745990, 61491980]

約数ペア:

[(1, 61491980), (2, 30745990), (4, 15372995), (5, 12298396), (10, 6149198), (11, 5590180), (19, 3236420), (20, 3074599), (22, 2795090), (38, 1618210), (44, 1397545), (47, 1308340), (55, 1118036), (76, 809105), (94, 654170), (95, 647284), (110, 559018), (188, 327085), (190, 323642), (209, 294220), (220, 279509), (235, 261668), (313, 196460), (380, 161821), (418, 147110), (470, 130834), (517, 118940), (626, 98230), (836, 73555), (893, 68860), (940, 65417), (1034, 59470), (1045, 58844), (1252, 49115), (1565, 39292), (1786, 34430), (2068, 29735), (2090, 29422), (2585, 23788), (3130, 19646), (3443, 17860), (3572, 17215), (4180, 14711), (4465, 13772), (5170, 11894), (5947, 10340), (6260, 9823), (6886, 8930)]