805019280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{258019}}^1$

素因数の和:258048

約数の個数: 80

約数和(自身を含む): 2687536320

約数和(自身を除く): 1882517040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 258019, 516038, 774057, 1032076, 1290095, 1548114, 2064152, 2580190, 3096228, 3354247, 3870285, 4128304, 5160380, 6192456, 6708494, 7740570, 10062741, 10320760, 12384912, 13416988, 15481140, 16771235, 20125482, 20641520, 26833976, 30962280, 33542470, 40250964, 50313705, 53667952, 61924560, 67084940, 80501928, 100627410, 134169880, 161003856, 201254820, 268339760, 402509640, 805019280]

約数ペア:

[(1, 805019280), (2, 402509640), (3, 268339760), (4, 201254820), (5, 161003856), (6, 134169880), (8, 100627410), (10, 80501928), (12, 67084940), (13, 61924560), (15, 53667952), (16, 50313705), (20, 40250964), (24, 33542470), (26, 30962280), (30, 26833976), (39, 20641520), (40, 20125482), (48, 16771235), (52, 15481140), (60, 13416988), (65, 12384912), (78, 10320760), (80, 10062741), (104, 7740570), (120, 6708494), (130, 6192456), (156, 5160380), (195, 4128304), (208, 3870285), (240, 3354247), (260, 3096228), (312, 2580190), (390, 2064152), (520, 1548114), (624, 1290095), (780, 1032076), (1040, 774057), (1560, 516038), (3120, 258019)]