15866240

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1907}}^1$

素因数の和:1939

約数の個数: 64

約数和(自身を含む): 40869360

約数和(自身を除く): 25003120

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, 1907, 2080, 3814, 4160, 7628, 8320, 9535, 15256, 19070, 24791, 30512, 38140, 49582, 61024, 76280, 99164, 122048, 123955, 152560, 198328, 244096, 247910, 305120, 396656, 495820, 610240, 793312, 991640, 1220480, 1586624, 1983280, 3173248, 3966560, 7933120, 15866240]

約数ペア:

[(1, 15866240), (2, 7933120), (4, 3966560), (5, 3173248), (8, 1983280), (10, 1586624), (13, 1220480), (16, 991640), (20, 793312), (26, 610240), (32, 495820), (40, 396656), (52, 305120), (64, 247910), (65, 244096), (80, 198328), (104, 152560), (128, 123955), (130, 122048), (160, 99164), (208, 76280), (260, 61024), (320, 49582), (416, 38140), (520, 30512), (640, 24791), (832, 19070), (1040, 15256), (1664, 9535), (1907, 8320), (2080, 7628), (3814, 4160)]