163221660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{461}}^1$

素因数の和:764

約数の個数: 144

約数和(自身を含む): 569080512

約数和(自身を除く): 405858852

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 281, 315, 420, 461, 562, 630, 843, 922, 1124, 1260, 1383, 1405, 1686, 1844, 1967, 2305, 2529, 2766, 2810, 3227, 3372, 3934, 4149, 4215, 4610, 5058, 5532, 5620, 5901, 6454, 6915, 7868, 8298, 8430, 9220, 9681, 9835, 10116, 11802, 12645, 12908, 13830, 16135, 16596, 16860, 17703, 19362, 19670, 20745, 23604, 25290, 27660, 29043, 29505, 32270, 35406, 38724, 39340, 41490, 48405, 50580, 58086, 59010, 64540, 70812, 82980, 88515, 96810, 116172, 118020, 129541, 145215, 177030, 193620, 259082, 290430, 354060, 388623, 518164, 580860, 647705, 777246, 906787, 1165869, 1295410, 1554492, 1813574, 1943115, 2331738, 2590820, 2720361, 3627148, 3886230, 4533935, 4663476, 5440722, 5829345, 7772460, 8161083, 9067870, 10881444, 11658690, 13601805, 16322166, 18135740, 23317380, 27203610, 32644332, 40805415, 54407220, 81610830, 163221660]

約数ペア:

[(1, 163221660), (2, 81610830), (3, 54407220), (4, 40805415), (5, 32644332), (6, 27203610), (7, 23317380), (9, 18135740), (10, 16322166), (12, 13601805), (14, 11658690), (15, 10881444), (18, 9067870), (20, 8161083), (21, 7772460), (28, 5829345), (30, 5440722), (35, 4663476), (36, 4533935), (42, 3886230), (45, 3627148), (60, 2720361), (63, 2590820), (70, 2331738), (84, 1943115), (90, 1813574), (105, 1554492), (126, 1295410), (140, 1165869), (180, 906787), (210, 777246), (252, 647705), (281, 580860), (315, 518164), (420, 388623), (461, 354060), (562, 290430), (630, 259082), (843, 193620), (922, 177030), (1124, 145215), (1260, 129541), (1383, 118020), (1405, 116172), (1686, 96810), (1844, 88515), (1967, 82980), (2305, 70812), (2529, 64540), (2766, 59010), (2810, 58086), (3227, 50580), (3372, 48405), (3934, 41490), (4149, 39340), (4215, 38724), (4610, 35406), (5058, 32270), (5532, 29505), (5620, 29043), (5901, 27660), (6454, 25290), (6915, 23604), (7868, 20745), (8298, 19670), (8430, 19362), (9220, 17703), (9681, 16860), (9835, 16596), (10116, 16135), (11802, 13830), (12645, 12908)]