319223120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1327}}^1$

素因数の和:1468

約数の個数: 80

約数和(自身を含む): 774617088

約数和(自身を除く): 455393968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 97, 124, 155, 194, 248, 310, 388, 485, 496, 620, 776, 970, 1240, 1327, 1552, 1940, 2480, 2654, 3007, 3880, 5308, 6014, 6635, 7760, 10616, 12028, 13270, 15035, 21232, 24056, 26540, 30070, 41137, 48112, 53080, 60140, 82274, 106160, 120280, 128719, 164548, 205685, 240560, 257438, 329096, 411370, 514876, 643595, 658192, 822740, 1029752, 1287190, 1645480, 2059504, 2574380, 3290960, 3990289, 5148760, 7980578, 10297520, 15961156, 19951445, 31922312, 39902890, 63844624, 79805780, 159611560, 319223120]

約数ペア:

[(1, 319223120), (2, 159611560), (4, 79805780), (5, 63844624), (8, 39902890), (10, 31922312), (16, 19951445), (20, 15961156), (31, 10297520), (40, 7980578), (62, 5148760), (80, 3990289), (97, 3290960), (124, 2574380), (155, 2059504), (194, 1645480), (248, 1287190), (310, 1029752), (388, 822740), (485, 658192), (496, 643595), (620, 514876), (776, 411370), (970, 329096), (1240, 257438), (1327, 240560), (1552, 205685), (1940, 164548), (2480, 128719), (2654, 120280), (3007, 106160), (3880, 82274), (5308, 60140), (6014, 53080), (6635, 48112), (7760, 41137), (10616, 30070), (12028, 26540), (13270, 24056), (15035, 21232)]