678203120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{5581}}^1$

素因数の和:5639

約数の個数: 120

約数和(自身を含む): 1893771648

約数和(自身を除く): 1215568528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1240, 1519, 1736, 1960, 2170, 2480, 3038, 3472, 3920, 4340, 5581, 6076, 7595, 8680, 11162, 12152, 15190, 17360, 22324, 24304, 27905, 30380, 39067, 44648, 55810, 60760, 78134, 89296, 111620, 121520, 156268, 173011, 195335, 223240, 273469, 312536, 346022, 390670, 446480, 546938, 625072, 692044, 781340, 865055, 1093876, 1211077, 1367345, 1384088, 1562680, 1730110, 2187752, 2422154, 2734690, 2768176, 3125360, 3460220, 4375504, 4844308, 5469380, 6055385, 6920440, 8477539, 9688616, 10938760, 12110770, 13840880, 16955078, 19377232, 21877520, 24221540, 33910156, 42387695, 48443080, 67820312, 84775390, 96886160, 135640624, 169550780, 339101560, 678203120]

約数ペア:

[(1, 678203120), (2, 339101560), (4, 169550780), (5, 135640624), (7, 96886160), (8, 84775390), (10, 67820312), (14, 48443080), (16, 42387695), (20, 33910156), (28, 24221540), (31, 21877520), (35, 19377232), (40, 16955078), (49, 13840880), (56, 12110770), (62, 10938760), (70, 9688616), (80, 8477539), (98, 6920440), (112, 6055385), (124, 5469380), (140, 4844308), (155, 4375504), (196, 3460220), (217, 3125360), (245, 2768176), (248, 2734690), (280, 2422154), (310, 2187752), (392, 1730110), (434, 1562680), (490, 1384088), (496, 1367345), (560, 1211077), (620, 1093876), (784, 865055), (868, 781340), (980, 692044), (1085, 625072), (1240, 546938), (1519, 446480), (1736, 390670), (1960, 346022), (2170, 312536), (2480, 273469), (3038, 223240), (3472, 195335), (3920, 173011), (4340, 156268), (5581, 121520), (6076, 111620), (7595, 89296), (8680, 78134), (11162, 60760), (12152, 55810), (15190, 44648), (17360, 39067), (22324, 30380), (24304, 27905)]