72057720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{787}}^1$

素因数の和:917

約数の個数: 128

約数和(自身を含む): 249638400

約数和(自身を除く): 177580680

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, 109, 120, 140, 168, 210, 218, 280, 327, 420, 436, 545, 654, 763, 787, 840, 872, 1090, 1308, 1526, 1574, 1635, 2180, 2289, 2361, 2616, 3052, 3148, 3270, 3815, 3935, 4360, 4578, 4722, 5509, 6104, 6296, 6540, 7630, 7870, 9156, 9444, 11018, 11445, 11805, 13080, 15260, 15740, 16527, 18312, 18888, 22036, 22890, 23610, 27545, 30520, 31480, 33054, 44072, 45780, 47220, 55090, 66108, 82635, 85783, 91560, 94440, 110180, 132216, 165270, 171566, 220360, 257349, 330540, 343132, 428915, 514698, 600481, 661080, 686264, 857830, 1029396, 1200962, 1286745, 1715660, 1801443, 2058792, 2401924, 2573490, 3002405, 3431320, 3602886, 4803848, 5146980, 6004810, 7205772, 9007215, 10293960, 12009620, 14411544, 18014430, 24019240, 36028860, 72057720]

約数ペア:

[(1, 72057720), (2, 36028860), (3, 24019240), (4, 18014430), (5, 14411544), (6, 12009620), (7, 10293960), (8, 9007215), (10, 7205772), (12, 6004810), (14, 5146980), (15, 4803848), (20, 3602886), (21, 3431320), (24, 3002405), (28, 2573490), (30, 2401924), (35, 2058792), (40, 1801443), (42, 1715660), (56, 1286745), (60, 1200962), (70, 1029396), (84, 857830), (105, 686264), (109, 661080), (120, 600481), (140, 514698), (168, 428915), (210, 343132), (218, 330540), (280, 257349), (327, 220360), (420, 171566), (436, 165270), (545, 132216), (654, 110180), (763, 94440), (787, 91560), (840, 85783), (872, 82635), (1090, 66108), (1308, 55090), (1526, 47220), (1574, 45780), (1635, 44072), (2180, 33054), (2289, 31480), (2361, 30520), (2616, 27545), (3052, 23610), (3148, 22890), (3270, 22036), (3815, 18888), (3935, 18312), (4360, 16527), (4578, 15740), (4722, 15260), (5509, 13080), (6104, 11805), (6296, 11445), (6540, 11018), (7630, 9444), (7870, 9156)]