201120780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1231}}^1$

素因数の和:1639

約数の個数: 96

約数和(自身を含む): 645765120

約数和(自身を除く): 444644340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 389, 420, 778, 1167, 1231, 1556, 1945, 2334, 2462, 2723, 3693, 3890, 4668, 4924, 5446, 5835, 6155, 7386, 7780, 8169, 8617, 10892, 11670, 12310, 13615, 14772, 16338, 17234, 18465, 23340, 24620, 25851, 27230, 32676, 34468, 36930, 40845, 43085, 51702, 54460, 73860, 81690, 86170, 103404, 129255, 163380, 172340, 258510, 478859, 517020, 957718, 1436577, 1915436, 2394295, 2873154, 3352013, 4788590, 5746308, 6704026, 7182885, 9577180, 10056039, 13408052, 14365770, 16760065, 20112078, 28731540, 33520130, 40224156, 50280195, 67040260, 100560390, 201120780]

約数ペア:

[(1, 201120780), (2, 100560390), (3, 67040260), (4, 50280195), (5, 40224156), (6, 33520130), (7, 28731540), (10, 20112078), (12, 16760065), (14, 14365770), (15, 13408052), (20, 10056039), (21, 9577180), (28, 7182885), (30, 6704026), (35, 5746308), (42, 4788590), (60, 3352013), (70, 2873154), (84, 2394295), (105, 1915436), (140, 1436577), (210, 957718), (389, 517020), (420, 478859), (778, 258510), (1167, 172340), (1231, 163380), (1556, 129255), (1945, 103404), (2334, 86170), (2462, 81690), (2723, 73860), (3693, 54460), (3890, 51702), (4668, 43085), (4924, 40845), (5446, 36930), (5835, 34468), (6155, 32676), (7386, 27230), (7780, 25851), (8169, 24620), (8617, 23340), (10892, 18465), (11670, 17234), (12310, 16338), (13615, 14772)]