55860

素因数分解:

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

素因数の和:45

約数の個数: 72

約数和(自身を含む): 191520

約数和(自身を除く): 135660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2660, 2793, 2940, 3724, 3990, 4655, 5586, 7980, 9310, 11172, 13965, 18620, 27930, 55860]

約数ペア:

[(1, 55860), (2, 27930), (3, 18620), (4, 13965), (5, 11172), (6, 9310), (7, 7980), (10, 5586), (12, 4655), (14, 3990), (15, 3724), (19, 2940), (20, 2793), (21, 2660), (28, 1995), (30, 1862), (35, 1596), (38, 1470), (42, 1330), (49, 1140), (57, 980), (60, 931), (70, 798), (76, 735), (84, 665), (95, 588), (98, 570), (105, 532), (114, 490), (133, 420), (140, 399), (147, 380), (190, 294), (196, 285), (210, 266), (228, 245)]