128790900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{20443}}^1$

素因数の和:20470

約数の個数: 108

約数和(自身を含む): 461380192

約数和(自身を除く): 332589292

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 6300, 20443, 40886, 61329, 81772, 102215, 122658, 143101, 183987, 204430, 245316, 286202, 306645, 367974, 408860, 429303, 511075, 572404, 613290, 715505, 735948, 858606, 919935, 1022150, 1226580, 1287909, 1431010, 1533225, 1717212, 1839870, 2044300, 2146515, 2575818, 2862020, 3066450, 3577525, 3679740, 4293030, 4599675, 5151636, 6132900, 6439545, 7155050, 8586060, 9199350, 10732575, 12879090, 14310100, 18398700, 21465150, 25758180, 32197725, 42930300, 64395450, 128790900]

約数ペア:

[(1, 128790900), (2, 64395450), (3, 42930300), (4, 32197725), (5, 25758180), (6, 21465150), (7, 18398700), (9, 14310100), (10, 12879090), (12, 10732575), (14, 9199350), (15, 8586060), (18, 7155050), (20, 6439545), (21, 6132900), (25, 5151636), (28, 4599675), (30, 4293030), (35, 3679740), (36, 3577525), (42, 3066450), (45, 2862020), (50, 2575818), (60, 2146515), (63, 2044300), (70, 1839870), (75, 1717212), (84, 1533225), (90, 1431010), (100, 1287909), (105, 1226580), (126, 1022150), (140, 919935), (150, 858606), (175, 735948), (180, 715505), (210, 613290), (225, 572404), (252, 511075), (300, 429303), (315, 408860), (350, 367974), (420, 306645), (450, 286202), (525, 245316), (630, 204430), (700, 183987), (900, 143101), (1050, 122658), (1260, 102215), (1575, 81772), (2100, 61329), (3150, 40886), (6300, 20443)]