118789520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2521}}^1$

素因数の和:2584

約数の個数: 80

約数和(自身を含む): 300218880

約数和(自身を除く): 181429360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2521, 2945, 4712, 5042, 5890, 9424, 10084, 11780, 12605, 20168, 23560, 25210, 40336, 47120, 47899, 50420, 78151, 95798, 100840, 156302, 191596, 201680, 239495, 312604, 383192, 390755, 478990, 625208, 766384, 781510, 957980, 1250416, 1484869, 1563020, 1915960, 2969738, 3126040, 3831920, 5939476, 6252080, 7424345, 11878952, 14848690, 23757904, 29697380, 59394760, 118789520]

約数ペア:

[(1, 118789520), (2, 59394760), (4, 29697380), (5, 23757904), (8, 14848690), (10, 11878952), (16, 7424345), (19, 6252080), (20, 5939476), (31, 3831920), (38, 3126040), (40, 2969738), (62, 1915960), (76, 1563020), (80, 1484869), (95, 1250416), (124, 957980), (152, 781510), (155, 766384), (190, 625208), (248, 478990), (304, 390755), (310, 383192), (380, 312604), (496, 239495), (589, 201680), (620, 191596), (760, 156302), (1178, 100840), (1240, 95798), (1520, 78151), (2356, 50420), (2480, 47899), (2521, 47120), (2945, 40336), (4712, 25210), (5042, 23560), (5890, 20168), (9424, 12605), (10084, 11780)]