15716480

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1889}}^1$

素因数の和:1921

約数の個数: 64

約数和(自身を含む): 40483800

約数和(自身を除く): 24767320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 1889, 2080, 3778, 4160, 7556, 8320, 9445, 15112, 18890, 24557, 30224, 37780, 49114, 60448, 75560, 98228, 120896, 122785, 151120, 196456, 241792, 245570, 302240, 392912, 491140, 604480, 785824, 982280, 1208960, 1571648, 1964560, 3143296, 3929120, 7858240, 15716480]

約数ペア:

[(1, 15716480), (2, 7858240), (4, 3929120), (5, 3143296), (8, 1964560), (10, 1571648), (13, 1208960), (16, 982280), (20, 785824), (26, 604480), (32, 491140), (40, 392912), (52, 302240), (64, 245570), (65, 241792), (80, 196456), (104, 151120), (128, 122785), (130, 120896), (160, 98228), (208, 75560), (260, 60448), (320, 49114), (416, 37780), (520, 30224), (640, 24557), (832, 18890), (1040, 15112), (1664, 9445), (1889, 8320), (2080, 7556), (3778, 4160)]