71662640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1753}}^1$

素因数の和:1846

約数の個数: 80

約数和(自身を含む): 193136448

約数和(自身を除く): 121473808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 1753, 2044, 2555, 2920, 3506, 4088, 5110, 5840, 7012, 8176, 8765, 10220, 12271, 14024, 17530, 20440, 24542, 28048, 35060, 40880, 49084, 61355, 70120, 98168, 122710, 127969, 140240, 196336, 245420, 255938, 490840, 511876, 639845, 895783, 981680, 1023752, 1279690, 1791566, 2047504, 2559380, 3583132, 4478915, 5118760, 7166264, 8957830, 10237520, 14332528, 17915660, 35831320, 71662640]

約数ペア:

[(1, 71662640), (2, 35831320), (4, 17915660), (5, 14332528), (7, 10237520), (8, 8957830), (10, 7166264), (14, 5118760), (16, 4478915), (20, 3583132), (28, 2559380), (35, 2047504), (40, 1791566), (56, 1279690), (70, 1023752), (73, 981680), (80, 895783), (112, 639845), (140, 511876), (146, 490840), (280, 255938), (292, 245420), (365, 196336), (511, 140240), (560, 127969), (584, 122710), (730, 98168), (1022, 70120), (1168, 61355), (1460, 49084), (1753, 40880), (2044, 35060), (2555, 28048), (2920, 24542), (3506, 20440), (4088, 17530), (5110, 14024), (5840, 12271), (7012, 10220), (8176, 8765)]