83720120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1277}}^1$

素因数の和:1448

約数の個数: 64

約数和(自身を含む): 207036000

約数和(自身を除く): 123315880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 149, 220, 298, 440, 596, 745, 1192, 1277, 1490, 1639, 2554, 2980, 3278, 5108, 5960, 6385, 6556, 8195, 10216, 12770, 13112, 14047, 16390, 25540, 28094, 32780, 51080, 56188, 65560, 70235, 112376, 140470, 190273, 280940, 380546, 561880, 761092, 951365, 1522184, 1902730, 2093003, 3805460, 4186006, 7610920, 8372012, 10465015, 16744024, 20930030, 41860060, 83720120]

約数ペア:

[(1, 83720120), (2, 41860060), (4, 20930030), (5, 16744024), (8, 10465015), (10, 8372012), (11, 7610920), (20, 4186006), (22, 3805460), (40, 2093003), (44, 1902730), (55, 1522184), (88, 951365), (110, 761092), (149, 561880), (220, 380546), (298, 280940), (440, 190273), (596, 140470), (745, 112376), (1192, 70235), (1277, 65560), (1490, 56188), (1639, 51080), (2554, 32780), (2980, 28094), (3278, 25540), (5108, 16390), (5960, 14047), (6385, 13112), (6556, 12770), (8195, 10216)]