78579440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3041}}^1$

素因数の和:3090

約数の個数: 80

約数和(自身を含む): 203692320

約数和(自身を除く): 125112880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 3041, 3230, 5168, 6082, 6460, 12164, 12920, 15205, 24328, 25840, 30410, 48656, 51697, 57779, 60820, 103394, 115558, 121640, 206788, 231116, 243280, 258485, 288895, 413576, 462232, 516970, 577790, 827152, 924464, 982243, 1033940, 1155580, 1964486, 2067880, 2311160, 3928972, 4135760, 4622320, 4911215, 7857944, 9822430, 15715888, 19644860, 39289720, 78579440]

約数ペア:

[(1, 78579440), (2, 39289720), (4, 19644860), (5, 15715888), (8, 9822430), (10, 7857944), (16, 4911215), (17, 4622320), (19, 4135760), (20, 3928972), (34, 2311160), (38, 2067880), (40, 1964486), (68, 1155580), (76, 1033940), (80, 982243), (85, 924464), (95, 827152), (136, 577790), (152, 516970), (170, 462232), (190, 413576), (272, 288895), (304, 258485), (323, 243280), (340, 231116), (380, 206788), (646, 121640), (680, 115558), (760, 103394), (1292, 60820), (1360, 57779), (1520, 51697), (1615, 48656), (2584, 30410), (3041, 25840), (3230, 24328), (5168, 15205), (6082, 12920), (6460, 12164)]