75120780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{178859}}^1$

素因数の和:178878

約数の個数: 48

約数和(自身を含む): 240387840

約数和(自身を除く): 165267060

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, 420, 178859, 357718, 536577, 715436, 894295, 1073154, 1252013, 1788590, 2146308, 2504026, 2682885, 3577180, 3756039, 5008052, 5365770, 6260065, 7512078, 10731540, 12520130, 15024156, 18780195, 25040260, 37560390, 75120780]

約数ペア:

[(1, 75120780), (2, 37560390), (3, 25040260), (4, 18780195), (5, 15024156), (6, 12520130), (7, 10731540), (10, 7512078), (12, 6260065), (14, 5365770), (15, 5008052), (20, 3756039), (21, 3577180), (28, 2682885), (30, 2504026), (35, 2146308), (42, 1788590), (60, 1252013), (70, 1073154), (84, 894295), (105, 715436), (140, 536577), (210, 357718), (420, 178859)]