156662520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{443}}^1$

素因数の和:885

約数の個数: 128

約数和(自身を含む): 539619840

約数和(自身を除く): 382957320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 421, 443, 840, 842, 886, 1263, 1329, 1684, 1772, 2105, 2215, 2526, 2658, 2947, 3101, 3368, 3544, 4210, 4430, 5052, 5316, 5894, 6202, 6315, 6645, 8420, 8841, 8860, 9303, 10104, 10632, 11788, 12404, 12630, 13290, 14735, 15505, 16840, 17682, 17720, 18606, 23576, 24808, 25260, 26580, 29470, 31010, 35364, 37212, 44205, 46515, 50520, 53160, 58940, 62020, 70728, 74424, 88410, 93030, 117880, 124040, 176820, 186060, 186503, 353640, 372120, 373006, 559509, 746012, 932515, 1119018, 1305521, 1492024, 1865030, 2238036, 2611042, 2797545, 3730060, 3916563, 4476072, 5222084, 5595090, 6527605, 7460120, 7833126, 10444168, 11190180, 13055210, 15666252, 19582815, 22380360, 26110420, 31332504, 39165630, 52220840, 78331260, 156662520]

約数ペア:

[(1, 156662520), (2, 78331260), (3, 52220840), (4, 39165630), (5, 31332504), (6, 26110420), (7, 22380360), (8, 19582815), (10, 15666252), (12, 13055210), (14, 11190180), (15, 10444168), (20, 7833126), (21, 7460120), (24, 6527605), (28, 5595090), (30, 5222084), (35, 4476072), (40, 3916563), (42, 3730060), (56, 2797545), (60, 2611042), (70, 2238036), (84, 1865030), (105, 1492024), (120, 1305521), (140, 1119018), (168, 932515), (210, 746012), (280, 559509), (420, 373006), (421, 372120), (443, 353640), (840, 186503), (842, 186060), (886, 176820), (1263, 124040), (1329, 117880), (1684, 93030), (1772, 88410), (2105, 74424), (2215, 70728), (2526, 62020), (2658, 58940), (2947, 53160), (3101, 50520), (3368, 46515), (3544, 44205), (4210, 37212), (4430, 35364), (5052, 31010), (5316, 29470), (5894, 26580), (6202, 25260), (6315, 24808), (6645, 23576), (8420, 18606), (8841, 17720), (8860, 17682), (9303, 16840), (10104, 15505), (10632, 14735), (11788, 13290), (12404, 12630)]