16906813980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{5750617}}^1$

素因数の和:5750643

約数の個数: 72

約数和(自身を含む): 55067917968

約数和(自身を除く): 38161103988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 5750617, 11501234, 17251851, 23002468, 28753085, 34503702, 40254319, 57506170, 69007404, 80508638, 86259255, 115012340, 120762957, 161017276, 172518510, 201271595, 241525914, 281780233, 345037020, 402543190, 483051828, 563560466, 603814785, 805086380, 845340699, 1127120932, 1207629570, 1408901165, 1690681398, 2415259140, 2817802330, 3381362796, 4226703495, 5635604660, 8453406990, 16906813980]

約数ペア:

[(1, 16906813980), (2, 8453406990), (3, 5635604660), (4, 4226703495), (5, 3381362796), (6, 2817802330), (7, 2415259140), (10, 1690681398), (12, 1408901165), (14, 1207629570), (15, 1127120932), (20, 845340699), (21, 805086380), (28, 603814785), (30, 563560466), (35, 483051828), (42, 402543190), (49, 345037020), (60, 281780233), (70, 241525914), (84, 201271595), (98, 172518510), (105, 161017276), (140, 120762957), (147, 115012340), (196, 86259255), (210, 80508638), (245, 69007404), (294, 57506170), (420, 40254319), (490, 34503702), (588, 28753085), (735, 23002468), (980, 17251851), (1470, 11501234), (2940, 5750617)]