66940860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{22769}}^1$

素因数の和:22795

約数の個数: 72

約数和(自身を含む): 218045520

約数和(自身を除く): 151104660

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, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 22769, 45538, 68307, 91076, 113845, 136614, 159383, 227690, 273228, 318766, 341535, 455380, 478149, 637532, 683070, 796915, 956298, 1115681, 1366140, 1593830, 1912596, 2231362, 2390745, 3187660, 3347043, 4462724, 4781490, 5578405, 6694086, 9562980, 11156810, 13388172, 16735215, 22313620, 33470430, 66940860]

約数ペア:

[(1, 66940860), (2, 33470430), (3, 22313620), (4, 16735215), (5, 13388172), (6, 11156810), (7, 9562980), (10, 6694086), (12, 5578405), (14, 4781490), (15, 4462724), (20, 3347043), (21, 3187660), (28, 2390745), (30, 2231362), (35, 1912596), (42, 1593830), (49, 1366140), (60, 1115681), (70, 956298), (84, 796915), (98, 683070), (105, 637532), (140, 478149), (147, 455380), (196, 341535), (210, 318766), (245, 273228), (294, 227690), (420, 159383), (490, 136614), (588, 113845), (735, 91076), (980, 68307), (1470, 45538), (2940, 22769)]