255381840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{50671}}^1$

素因数の和:50697

約数の個数: 120

約数和(自身を含む): 980199168

約数和(自身を除く): 724817328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 50671, 101342, 152013, 202684, 253355, 304026, 354697, 405368, 456039, 506710, 608052, 709394, 760065, 810736, 912078, 1013420, 1064091, 1216104, 1418788, 1520130, 1773485, 1824156, 2026840, 2128182, 2280195, 2432208, 2837576, 3040260, 3192273, 3546970, 3648312, 4053680, 4256364, 4560390, 5320455, 5675152, 6080520, 6384546, 7093940, 7296624, 8512728, 9120780, 10640910, 12161040, 12769092, 14187880, 15961365, 17025456, 18241560, 21281820, 25538184, 28375760, 31922730, 36483120, 42563640, 51076368, 63845460, 85127280, 127690920, 255381840]

約数ペア:

[(1, 255381840), (2, 127690920), (3, 85127280), (4, 63845460), (5, 51076368), (6, 42563640), (7, 36483120), (8, 31922730), (9, 28375760), (10, 25538184), (12, 21281820), (14, 18241560), (15, 17025456), (16, 15961365), (18, 14187880), (20, 12769092), (21, 12161040), (24, 10640910), (28, 9120780), (30, 8512728), (35, 7296624), (36, 7093940), (40, 6384546), (42, 6080520), (45, 5675152), (48, 5320455), (56, 4560390), (60, 4256364), (63, 4053680), (70, 3648312), (72, 3546970), (80, 3192273), (84, 3040260), (90, 2837576), (105, 2432208), (112, 2280195), (120, 2128182), (126, 2026840), (140, 1824156), (144, 1773485), (168, 1520130), (180, 1418788), (210, 1216104), (240, 1064091), (252, 1013420), (280, 912078), (315, 810736), (336, 760065), (360, 709394), (420, 608052), (504, 506710), (560, 456039), (630, 405368), (720, 354697), (840, 304026), (1008, 253355), (1260, 202684), (1680, 152013), (2520, 101342), (5040, 50671)]