78578640

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{5197}}^1$

素因数の和:5226

約数の個数: 160

約数和(自身を含む): 309384960

約数和(自身を除く): 230806320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 5197, 7560, 10394, 15120, 15591, 20788, 25985, 31182, 36379, 41576, 46773, 51970, 62364, 72758, 77955, 83152, 93546, 103940, 109137, 124728, 140319, 145516, 155910, 181895, 187092, 207880, 218274, 233865, 249456, 280638, 291032, 311820, 327411, 363790, 374184, 415760, 436548, 467730, 545685, 561276, 582064, 623640, 654822, 701595, 727580, 748368, 873096, 935460, 982233, 1091370, 1122552, 1247280, 1309644, 1403190, 1455160, 1637055, 1746192, 1870920, 1964466, 2182740, 2245104, 2619288, 2806380, 2910320, 3274110, 3741840, 3928932, 4365480, 4911165, 5238576, 5612760, 6548220, 7857864, 8730960, 9822330, 11225520, 13096440, 15715728, 19644660, 26192880, 39289320, 78578640]

約数ペア:

[(1, 78578640), (2, 39289320), (3, 26192880), (4, 19644660), (5, 15715728), (6, 13096440), (7, 11225520), (8, 9822330), (9, 8730960), (10, 7857864), (12, 6548220), (14, 5612760), (15, 5238576), (16, 4911165), (18, 4365480), (20, 3928932), (21, 3741840), (24, 3274110), (27, 2910320), (28, 2806380), (30, 2619288), (35, 2245104), (36, 2182740), (40, 1964466), (42, 1870920), (45, 1746192), (48, 1637055), (54, 1455160), (56, 1403190), (60, 1309644), (63, 1247280), (70, 1122552), (72, 1091370), (80, 982233), (84, 935460), (90, 873096), (105, 748368), (108, 727580), (112, 701595), (120, 654822), (126, 623640), (135, 582064), (140, 561276), (144, 545685), (168, 467730), (180, 436548), (189, 415760), (210, 374184), (216, 363790), (240, 327411), (252, 311820), (270, 291032), (280, 280638), (315, 249456), (336, 233865), (360, 218274), (378, 207880), (420, 187092), (432, 181895), (504, 155910), (540, 145516), (560, 140319), (630, 124728), (720, 109137), (756, 103940), (840, 93546), (945, 83152), (1008, 77955), (1080, 72758), (1260, 62364), (1512, 51970), (1680, 46773), (1890, 41576), (2160, 36379), (2520, 31182), (3024, 25985), (3780, 20788), (5040, 15591), (5197, 15120), (7560, 10394)]