21982680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{269}}^1$

素因数の和:513

約数の個数: 96

約数和(自身を含む): 72025200

約数和(自身を除く): 50042520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 227, 269, 360, 454, 538, 681, 807, 908, 1076, 1135, 1345, 1362, 1614, 1816, 2043, 2152, 2270, 2421, 2690, 2724, 3228, 3405, 4035, 4086, 4540, 4842, 5380, 5448, 6456, 6810, 8070, 8172, 9080, 9684, 10215, 10760, 12105, 13620, 16140, 16344, 19368, 20430, 24210, 27240, 32280, 40860, 48420, 61063, 81720, 96840, 122126, 183189, 244252, 305315, 366378, 488504, 549567, 610630, 732756, 915945, 1099134, 1221260, 1465512, 1831890, 2198268, 2442520, 2747835, 3663780, 4396536, 5495670, 7327560, 10991340, 21982680]

約数ペア:

[(1, 21982680), (2, 10991340), (3, 7327560), (4, 5495670), (5, 4396536), (6, 3663780), (8, 2747835), (9, 2442520), (10, 2198268), (12, 1831890), (15, 1465512), (18, 1221260), (20, 1099134), (24, 915945), (30, 732756), (36, 610630), (40, 549567), (45, 488504), (60, 366378), (72, 305315), (90, 244252), (120, 183189), (180, 122126), (227, 96840), (269, 81720), (360, 61063), (454, 48420), (538, 40860), (681, 32280), (807, 27240), (908, 24210), (1076, 20430), (1135, 19368), (1345, 16344), (1362, 16140), (1614, 13620), (1816, 12105), (2043, 10760), (2152, 10215), (2270, 9684), (2421, 9080), (2690, 8172), (2724, 8070), (3228, 6810), (3405, 6456), (4035, 5448), (4086, 5380), (4540, 4842)]