212705520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20611}}^1$

素因数の和:20670

約数の個数: 80

約数和(自身を含む): 674754432

約数和(自身を除く): 462048912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 10320, 20611, 41222, 61833, 82444, 103055, 123666, 164888, 206110, 247332, 309165, 329776, 412220, 494664, 618330, 824440, 886273, 989328, 1236660, 1648880, 1772546, 2473320, 2658819, 3545092, 4431365, 4946640, 5317638, 7090184, 8862730, 10635276, 13294095, 14180368, 17725460, 21270552, 26588190, 35450920, 42541104, 53176380, 70901840, 106352760, 212705520]

約数ペア:

[(1, 212705520), (2, 106352760), (3, 70901840), (4, 53176380), (5, 42541104), (6, 35450920), (8, 26588190), (10, 21270552), (12, 17725460), (15, 14180368), (16, 13294095), (20, 10635276), (24, 8862730), (30, 7090184), (40, 5317638), (43, 4946640), (48, 4431365), (60, 3545092), (80, 2658819), (86, 2473320), (120, 1772546), (129, 1648880), (172, 1236660), (215, 989328), (240, 886273), (258, 824440), (344, 618330), (430, 494664), (516, 412220), (645, 329776), (688, 309165), (860, 247332), (1032, 206110), (1290, 164888), (1720, 123666), (2064, 103055), (2580, 82444), (3440, 61833), (5160, 41222), (10320, 20611)]