78776960

素因数分解:

$2^7\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1483}}^1$

素因数の和:1585

約数の個数: 64

約数和(自身を含む): 190723680

約数和(自身を除く): 111946720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 320, 332, 415, 640, 664, 830, 1328, 1483, 1660, 2656, 2966, 3320, 5312, 5932, 6640, 7415, 10624, 11864, 13280, 14830, 23728, 26560, 29660, 47456, 53120, 59320, 94912, 118640, 123089, 189824, 237280, 246178, 474560, 492356, 615445, 949120, 984712, 1230890, 1969424, 2461780, 3938848, 4923560, 7877696, 9847120, 15755392, 19694240, 39388480, 78776960]

約数ペア:

[(1, 78776960), (2, 39388480), (4, 19694240), (5, 15755392), (8, 9847120), (10, 7877696), (16, 4923560), (20, 3938848), (32, 2461780), (40, 1969424), (64, 1230890), (80, 984712), (83, 949120), (128, 615445), (160, 492356), (166, 474560), (320, 246178), (332, 237280), (415, 189824), (640, 123089), (664, 118640), (830, 94912), (1328, 59320), (1483, 53120), (1660, 47456), (2656, 29660), (2966, 26560), (3320, 23728), (5312, 14830), (5932, 13280), (6640, 11864), (7415, 10624)]