161918820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1201}}^1$

素因数の和:1330

約数の個数: 144

約数和(自身を含む): 567036288

約数和(自身を除く): 405117468

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 107, 126, 140, 180, 210, 214, 252, 315, 321, 420, 428, 535, 630, 642, 749, 963, 1070, 1201, 1260, 1284, 1498, 1605, 1926, 2140, 2247, 2402, 2996, 3210, 3603, 3745, 3852, 4494, 4804, 4815, 6005, 6420, 6741, 7206, 7490, 8407, 8988, 9630, 10809, 11235, 12010, 13482, 14412, 14980, 16814, 18015, 19260, 21618, 22470, 24020, 25221, 26964, 33628, 33705, 36030, 42035, 43236, 44940, 50442, 54045, 67410, 72060, 75663, 84070, 100884, 108090, 126105, 128507, 134820, 151326, 168140, 216180, 252210, 257014, 302652, 378315, 385521, 504420, 514028, 642535, 756630, 771042, 899549, 1156563, 1285070, 1513260, 1542084, 1799098, 1927605, 2313126, 2570140, 2698647, 3598196, 3855210, 4497745, 4626252, 5397294, 5782815, 7710420, 8095941, 8995490, 10794588, 11565630, 13493235, 16191882, 17990980, 23131260, 26986470, 32383764, 40479705, 53972940, 80959410, 161918820]

約数ペア:

[(1, 161918820), (2, 80959410), (3, 53972940), (4, 40479705), (5, 32383764), (6, 26986470), (7, 23131260), (9, 17990980), (10, 16191882), (12, 13493235), (14, 11565630), (15, 10794588), (18, 8995490), (20, 8095941), (21, 7710420), (28, 5782815), (30, 5397294), (35, 4626252), (36, 4497745), (42, 3855210), (45, 3598196), (60, 2698647), (63, 2570140), (70, 2313126), (84, 1927605), (90, 1799098), (105, 1542084), (107, 1513260), (126, 1285070), (140, 1156563), (180, 899549), (210, 771042), (214, 756630), (252, 642535), (315, 514028), (321, 504420), (420, 385521), (428, 378315), (535, 302652), (630, 257014), (642, 252210), (749, 216180), (963, 168140), (1070, 151326), (1201, 134820), (1260, 128507), (1284, 126105), (1498, 108090), (1605, 100884), (1926, 84070), (2140, 75663), (2247, 72060), (2402, 67410), (2996, 54045), (3210, 50442), (3603, 44940), (3745, 43236), (3852, 42035), (4494, 36030), (4804, 33705), (4815, 33628), (6005, 26964), (6420, 25221), (6741, 24020), (7206, 22470), (7490, 21618), (8407, 19260), (8988, 18015), (9630, 16814), (10809, 14980), (11235, 14412), (12010, 13482)]