251020560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{149417}}^1$

素因数の和:149440

約数の個数: 80

約数和(自身を含む): 889335936

約数和(自身を除く): 638315376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 149417, 298834, 448251, 597668, 747085, 896502, 1045919, 1195336, 1494170, 1793004, 2091838, 2241255, 2390672, 2988340, 3137757, 3586008, 4183676, 4482510, 5229595, 5976680, 6275514, 7172016, 8367352, 8965020, 10459190, 11953360, 12551028, 15688785, 16734704, 17930040, 20918380, 25102056, 31377570, 35860080, 41836760, 50204112, 62755140, 83673520, 125510280, 251020560]

約数ペア:

[(1, 251020560), (2, 125510280), (3, 83673520), (4, 62755140), (5, 50204112), (6, 41836760), (7, 35860080), (8, 31377570), (10, 25102056), (12, 20918380), (14, 17930040), (15, 16734704), (16, 15688785), (20, 12551028), (21, 11953360), (24, 10459190), (28, 8965020), (30, 8367352), (35, 7172016), (40, 6275514), (42, 5976680), (48, 5229595), (56, 4482510), (60, 4183676), (70, 3586008), (80, 3137757), (84, 2988340), (105, 2390672), (112, 2241255), (120, 2091838), (140, 1793004), (168, 1494170), (210, 1195336), (240, 1045919), (280, 896502), (336, 747085), (420, 597668), (560, 448251), (840, 298834), (1680, 149417)]