1655220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{563}}^1$

素因数の和:589

約数の個数: 72

約数和(自身を含む): 5400864

約数和(自身を除く): 3745644

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, 563, 588, 735, 980, 1126, 1470, 1689, 2252, 2815, 2940, 3378, 3941, 5630, 6756, 7882, 8445, 11260, 11823, 15764, 16890, 19705, 23646, 27587, 33780, 39410, 47292, 55174, 59115, 78820, 82761, 110348, 118230, 137935, 165522, 236460, 275870, 331044, 413805, 551740, 827610, 1655220]

約数ペア:

[(1, 1655220), (2, 827610), (3, 551740), (4, 413805), (5, 331044), (6, 275870), (7, 236460), (10, 165522), (12, 137935), (14, 118230), (15, 110348), (20, 82761), (21, 78820), (28, 59115), (30, 55174), (35, 47292), (42, 39410), (49, 33780), (60, 27587), (70, 23646), (84, 19705), (98, 16890), (105, 15764), (140, 11823), (147, 11260), (196, 8445), (210, 7882), (245, 6756), (294, 5630), (420, 3941), (490, 3378), (563, 2940), (588, 2815), (735, 2252), (980, 1689), (1126, 1470)]