77940660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9767}}^1$

素因数の和:9805

約数の個数: 96

約数和(自身を含む): 262563840

約数和(自身を除く): 184623180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 9767, 19534, 29301, 39068, 48835, 58602, 68369, 97670, 117204, 136738, 146505, 185573, 195340, 205107, 273476, 293010, 341845, 371146, 410214, 556719, 586020, 683690, 742292, 820428, 927865, 1025535, 1113438, 1299011, 1367380, 1855730, 2051070, 2226876, 2598022, 2783595, 3711460, 3897033, 4102140, 5196044, 5567190, 6495055, 7794066, 11134380, 12990110, 15588132, 19485165, 25980220, 38970330, 77940660]

約数ペア:

[(1, 77940660), (2, 38970330), (3, 25980220), (4, 19485165), (5, 15588132), (6, 12990110), (7, 11134380), (10, 7794066), (12, 6495055), (14, 5567190), (15, 5196044), (19, 4102140), (20, 3897033), (21, 3711460), (28, 2783595), (30, 2598022), (35, 2226876), (38, 2051070), (42, 1855730), (57, 1367380), (60, 1299011), (70, 1113438), (76, 1025535), (84, 927865), (95, 820428), (105, 742292), (114, 683690), (133, 586020), (140, 556719), (190, 410214), (210, 371146), (228, 341845), (266, 293010), (285, 273476), (380, 205107), (399, 195340), (420, 185573), (532, 146505), (570, 136738), (665, 117204), (798, 97670), (1140, 68369), (1330, 58602), (1596, 48835), (1995, 39068), (2660, 29301), (3990, 19534), (7980, 9767)]