208041120

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20639}}^1$

素因数の和:20667

約数の個数: 144

約数和(自身を含む): 811399680

約数和(自身を除く): 603358560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20639, 41278, 61917, 82556, 103195, 123834, 144473, 165112, 185751, 206390, 247668, 288946, 309585, 330224, 371502, 412780, 433419, 495336, 577892, 619170, 660448, 722365, 743004, 825560, 866838, 928755, 990672, 1155784, 1238340, 1300257, 1444730, 1486008, 1651120, 1733676, 1857510, 1981344, 2167095, 2311568, 2476680, 2600514, 2889460, 2972016, 3302240, 3467352, 3715020, 4334190, 4623136, 4953360, 5201028, 5778920, 5944032, 6501285, 6934704, 7430040, 8668380, 9906720, 10402056, 11557840, 13002570, 13869408, 14860080, 17336760, 20804112, 23115680, 26005140, 29720160, 34673520, 41608224, 52010280, 69347040, 104020560, 208041120]

約数ペア:

[(1, 208041120), (2, 104020560), (3, 69347040), (4, 52010280), (5, 41608224), (6, 34673520), (7, 29720160), (8, 26005140), (9, 23115680), (10, 20804112), (12, 17336760), (14, 14860080), (15, 13869408), (16, 13002570), (18, 11557840), (20, 10402056), (21, 9906720), (24, 8668380), (28, 7430040), (30, 6934704), (32, 6501285), (35, 5944032), (36, 5778920), (40, 5201028), (42, 4953360), (45, 4623136), (48, 4334190), (56, 3715020), (60, 3467352), (63, 3302240), (70, 2972016), (72, 2889460), (80, 2600514), (84, 2476680), (90, 2311568), (96, 2167095), (105, 1981344), (112, 1857510), (120, 1733676), (126, 1651120), (140, 1486008), (144, 1444730), (160, 1300257), (168, 1238340), (180, 1155784), (210, 990672), (224, 928755), (240, 866838), (252, 825560), (280, 743004), (288, 722365), (315, 660448), (336, 619170), (360, 577892), (420, 495336), (480, 433419), (504, 412780), (560, 371502), (630, 330224), (672, 309585), (720, 288946), (840, 247668), (1008, 206390), (1120, 185751), (1260, 165112), (1440, 144473), (1680, 123834), (2016, 103195), (2520, 82556), (3360, 61917), (5040, 41278), (10080, 20639)]