71880060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1063}}^1$

素因数の和:1112

約数の個数: 144

約数和(自身を含む): 244532736

約数和(自身を除く): 172652676

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 588, 644, 690, 735, 805, 966, 980, 1063, 1127, 1380, 1470, 1610, 1932, 2126, 2254, 2415, 2940, 3189, 3220, 3381, 4252, 4508, 4830, 5315, 5635, 6378, 6762, 7441, 9660, 10630, 11270, 12756, 13524, 14882, 15945, 16905, 21260, 22323, 22540, 24449, 29764, 31890, 33810, 37205, 44646, 48898, 52087, 63780, 67620, 73347, 74410, 89292, 97796, 104174, 111615, 122245, 146694, 148820, 156261, 171143, 208348, 223230, 244490, 260435, 293388, 312522, 342286, 366735, 446460, 488980, 513429, 520870, 625044, 684572, 733470, 781305, 855715, 1026858, 1041740, 1198001, 1466940, 1562610, 1711430, 2053716, 2396002, 2567145, 3125220, 3422860, 3594003, 4792004, 5134290, 5990005, 7188006, 10268580, 11980010, 14376012, 17970015, 23960020, 35940030, 71880060]

約数ペア:

[(1, 71880060), (2, 35940030), (3, 23960020), (4, 17970015), (5, 14376012), (6, 11980010), (7, 10268580), (10, 7188006), (12, 5990005), (14, 5134290), (15, 4792004), (20, 3594003), (21, 3422860), (23, 3125220), (28, 2567145), (30, 2396002), (35, 2053716), (42, 1711430), (46, 1562610), (49, 1466940), (60, 1198001), (69, 1041740), (70, 1026858), (84, 855715), (92, 781305), (98, 733470), (105, 684572), (115, 625044), (138, 520870), (140, 513429), (147, 488980), (161, 446460), (196, 366735), (210, 342286), (230, 312522), (245, 293388), (276, 260435), (294, 244490), (322, 223230), (345, 208348), (420, 171143), (460, 156261), (483, 148820), (490, 146694), (588, 122245), (644, 111615), (690, 104174), (735, 97796), (805, 89292), (966, 74410), (980, 73347), (1063, 67620), (1127, 63780), (1380, 52087), (1470, 48898), (1610, 44646), (1932, 37205), (2126, 33810), (2254, 31890), (2415, 29764), (2940, 24449), (3189, 22540), (3220, 22323), (3381, 21260), (4252, 16905), (4508, 15945), (4830, 14882), (5315, 13524), (5635, 12756), (6378, 11270), (6762, 10630), (7441, 9660)]