61848780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 204351840

約数和(自身を除く): 142503060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 109, 140, 147, 193, 196, 210, 218, 245, 294, 327, 386, 420, 436, 490, 545, 579, 588, 654, 735, 763, 772, 965, 980, 1090, 1158, 1308, 1351, 1470, 1526, 1635, 1930, 2180, 2289, 2316, 2702, 2895, 2940, 3052, 3270, 3815, 3860, 4053, 4578, 5341, 5404, 5790, 6540, 6755, 7630, 8106, 9156, 9457, 10682, 11445, 11580, 13510, 15260, 16023, 16212, 18914, 20265, 21037, 21364, 22890, 26705, 27020, 28371, 32046, 37828, 40530, 42074, 45780, 47285, 53410, 56742, 63111, 64092, 80115, 81060, 84148, 94570, 105185, 106820, 113484, 126222, 141855, 147259, 160230, 189140, 210370, 252444, 283710, 294518, 315555, 320460, 420740, 441777, 567420, 589036, 631110, 736295, 883554, 1030813, 1262220, 1472590, 1767108, 2061626, 2208885, 2945180, 3092439, 4123252, 4417770, 5154065, 6184878, 8835540, 10308130, 12369756, 15462195, 20616260, 30924390, 61848780]

約数ペア:

[(1, 61848780), (2, 30924390), (3, 20616260), (4, 15462195), (5, 12369756), (6, 10308130), (7, 8835540), (10, 6184878), (12, 5154065), (14, 4417770), (15, 4123252), (20, 3092439), (21, 2945180), (28, 2208885), (30, 2061626), (35, 1767108), (42, 1472590), (49, 1262220), (60, 1030813), (70, 883554), (84, 736295), (98, 631110), (105, 589036), (109, 567420), (140, 441777), (147, 420740), (193, 320460), (196, 315555), (210, 294518), (218, 283710), (245, 252444), (294, 210370), (327, 189140), (386, 160230), (420, 147259), (436, 141855), (490, 126222), (545, 113484), (579, 106820), (588, 105185), (654, 94570), (735, 84148), (763, 81060), (772, 80115), (965, 64092), (980, 63111), (1090, 56742), (1158, 53410), (1308, 47285), (1351, 45780), (1470, 42074), (1526, 40530), (1635, 37828), (1930, 32046), (2180, 28371), (2289, 27020), (2316, 26705), (2702, 22890), (2895, 21364), (2940, 21037), (3052, 20265), (3270, 18914), (3815, 16212), (3860, 16023), (4053, 15260), (4578, 13510), (5341, 11580), (5404, 11445), (5790, 10682), (6540, 9457), (6755, 9156), (7630, 8106)]