1273496320

素因数分解:

$2^8\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5209}}^1$

素因数の和:5421

約数の個数: 72

約数和(自身を含む): 3066981120

約数和(自身を除く): 1793484800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 191, 256, 320, 382, 640, 764, 955, 1280, 1528, 1910, 3056, 3820, 5209, 6112, 7640, 10418, 12224, 15280, 20836, 24448, 26045, 30560, 41672, 48896, 52090, 61120, 83344, 104180, 122240, 166688, 208360, 244480, 333376, 416720, 666752, 833440, 994919, 1333504, 1666880, 1989838, 3333760, 3979676, 4974595, 6667520, 7959352, 9949190, 15918704, 19898380, 31837408, 39796760, 63674816, 79593520, 127349632, 159187040, 254699264, 318374080, 636748160, 1273496320]

約数ペア:

[(1, 1273496320), (2, 636748160), (4, 318374080), (5, 254699264), (8, 159187040), (10, 127349632), (16, 79593520), (20, 63674816), (32, 39796760), (40, 31837408), (64, 19898380), (80, 15918704), (128, 9949190), (160, 7959352), (191, 6667520), (256, 4974595), (320, 3979676), (382, 3333760), (640, 1989838), (764, 1666880), (955, 1333504), (1280, 994919), (1528, 833440), (1910, 666752), (3056, 416720), (3820, 333376), (5209, 244480), (6112, 208360), (7640, 166688), (10418, 122240), (12224, 104180), (15280, 83344), (20836, 61120), (24448, 52090), (26045, 48896), (30560, 41672)]