163943220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{55763}}^1$

素因数の和:55789

約数の個数: 72

約数和(自身を含む): 533996064

約数和(自身を除く): 370052844

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, 55763, 111526, 167289, 223052, 278815, 334578, 390341, 557630, 669156, 780682, 836445, 1115260, 1171023, 1561364, 1672890, 1951705, 2342046, 2732387, 3345780, 3903410, 4684092, 5464774, 5855115, 7806820, 8197161, 10929548, 11710230, 13661935, 16394322, 23420460, 27323870, 32788644, 40985805, 54647740, 81971610, 163943220]

約数ペア:

[(1, 163943220), (2, 81971610), (3, 54647740), (4, 40985805), (5, 32788644), (6, 27323870), (7, 23420460), (10, 16394322), (12, 13661935), (14, 11710230), (15, 10929548), (20, 8197161), (21, 7806820), (28, 5855115), (30, 5464774), (35, 4684092), (42, 3903410), (49, 3345780), (60, 2732387), (70, 2342046), (84, 1951705), (98, 1672890), (105, 1561364), (140, 1171023), (147, 1115260), (196, 836445), (210, 780682), (245, 669156), (294, 557630), (420, 390341), (490, 334578), (588, 278815), (735, 223052), (980, 167289), (1470, 111526), (2940, 55763)]