61453560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:661

約数の個数: 128

約数和(自身を含む): 212544000

約数和(自身を除く): 151090440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 149, 168, 210, 280, 298, 420, 447, 491, 596, 745, 840, 894, 982, 1043, 1192, 1473, 1490, 1788, 1964, 2086, 2235, 2455, 2946, 2980, 3129, 3437, 3576, 3928, 4172, 4470, 4910, 5215, 5892, 5960, 6258, 6874, 7365, 8344, 8940, 9820, 10311, 10430, 11784, 12516, 13748, 14730, 15645, 17185, 17880, 19640, 20622, 20860, 25032, 27496, 29460, 31290, 34370, 41244, 41720, 51555, 58920, 62580, 68740, 73159, 82488, 103110, 125160, 137480, 146318, 206220, 219477, 292636, 365795, 412440, 438954, 512113, 585272, 731590, 877908, 1024226, 1097385, 1463180, 1536339, 1755816, 2048452, 2194770, 2560565, 2926360, 3072678, 4096904, 4389540, 5121130, 6145356, 7681695, 8779080, 10242260, 12290712, 15363390, 20484520, 30726780, 61453560]

約数ペア:

[(1, 61453560), (2, 30726780), (3, 20484520), (4, 15363390), (5, 12290712), (6, 10242260), (7, 8779080), (8, 7681695), (10, 6145356), (12, 5121130), (14, 4389540), (15, 4096904), (20, 3072678), (21, 2926360), (24, 2560565), (28, 2194770), (30, 2048452), (35, 1755816), (40, 1536339), (42, 1463180), (56, 1097385), (60, 1024226), (70, 877908), (84, 731590), (105, 585272), (120, 512113), (140, 438954), (149, 412440), (168, 365795), (210, 292636), (280, 219477), (298, 206220), (420, 146318), (447, 137480), (491, 125160), (596, 103110), (745, 82488), (840, 73159), (894, 68740), (982, 62580), (1043, 58920), (1192, 51555), (1473, 41720), (1490, 41244), (1788, 34370), (1964, 31290), (2086, 29460), (2235, 27496), (2455, 25032), (2946, 20860), (2980, 20622), (3129, 19640), (3437, 17880), (3576, 17185), (3928, 15645), (4172, 14730), (4470, 13748), (4910, 12516), (5215, 11784), (5892, 10430), (5960, 10311), (6258, 9820), (6874, 8940), (7365, 8344)]