399207120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127951}}^1$

素因数の和:127980

約数の個数: 80

約数和(自身を含む): 1332748032

約数和(自身を除く): 933540912

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, 127951, 255902, 383853, 511804, 639755, 767706, 1023608, 1279510, 1535412, 1663363, 1919265, 2047216, 2559020, 3070824, 3326726, 3838530, 4990089, 5118040, 6141648, 6653452, 7677060, 8316815, 9980178, 10236080, 13306904, 15354120, 16633630, 19960356, 24950445, 26613808, 30708240, 33267260, 39920712, 49900890, 66534520, 79841424, 99801780, 133069040, 199603560, 399207120]

約数ペア:

[(1, 399207120), (2, 199603560), (3, 133069040), (4, 99801780), (5, 79841424), (6, 66534520), (8, 49900890), (10, 39920712), (12, 33267260), (13, 30708240), (15, 26613808), (16, 24950445), (20, 19960356), (24, 16633630), (26, 15354120), (30, 13306904), (39, 10236080), (40, 9980178), (48, 8316815), (52, 7677060), (60, 6653452), (65, 6141648), (78, 5118040), (80, 4990089), (104, 3838530), (120, 3326726), (130, 3070824), (156, 2559020), (195, 2047216), (208, 1919265), (240, 1663363), (260, 1535412), (312, 1279510), (390, 1023608), (520, 767706), (624, 639755), (780, 511804), (1040, 383853), (1560, 255902), (3120, 127951)]