161828520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4099}}^1$

素因数の和:4167

約数の個数: 128

約数和(自身を含む): 566784000

約数和(自身を除く): 404955480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 840, 940, 987, 1128, 1316, 1410, 1645, 1880, 1974, 2632, 2820, 3290, 3948, 4099, 4935, 5640, 6580, 7896, 8198, 9870, 12297, 13160, 16396, 19740, 20495, 24594, 28693, 32792, 39480, 40990, 49188, 57386, 61485, 81980, 86079, 98376, 114772, 122970, 143465, 163960, 172158, 192653, 229544, 245940, 286930, 344316, 385306, 430395, 491880, 573860, 577959, 688632, 770612, 860790, 963265, 1147720, 1155918, 1348571, 1541224, 1721580, 1926530, 2311836, 2697142, 2889795, 3443160, 3853060, 4045713, 4623672, 5394284, 5779590, 6742855, 7706120, 8091426, 10788568, 11559180, 13485710, 16182852, 20228565, 23118360, 26971420, 32365704, 40457130, 53942840, 80914260, 161828520]

約数ペア:

[(1, 161828520), (2, 80914260), (3, 53942840), (4, 40457130), (5, 32365704), (6, 26971420), (7, 23118360), (8, 20228565), (10, 16182852), (12, 13485710), (14, 11559180), (15, 10788568), (20, 8091426), (21, 7706120), (24, 6742855), (28, 5779590), (30, 5394284), (35, 4623672), (40, 4045713), (42, 3853060), (47, 3443160), (56, 2889795), (60, 2697142), (70, 2311836), (84, 1926530), (94, 1721580), (105, 1541224), (120, 1348571), (140, 1155918), (141, 1147720), (168, 963265), (188, 860790), (210, 770612), (235, 688632), (280, 577959), (282, 573860), (329, 491880), (376, 430395), (420, 385306), (470, 344316), (564, 286930), (658, 245940), (705, 229544), (840, 192653), (940, 172158), (987, 163960), (1128, 143465), (1316, 122970), (1410, 114772), (1645, 98376), (1880, 86079), (1974, 81980), (2632, 61485), (2820, 57386), (3290, 49188), (3948, 40990), (4099, 39480), (4935, 32792), (5640, 28693), (6580, 24594), (7896, 20495), (8198, 19740), (9870, 16396), (12297, 13160)]