639737520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{739}}^1\times {\mathrm{3607}}^1$

素因数の和:4362

約数の個数: 80

約数和(自身を含む): 1986420480

約数和(自身を除く): 1346682960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 739, 1478, 2217, 2956, 3607, 3695, 4434, 5912, 7214, 7390, 8868, 10821, 11085, 11824, 14428, 14780, 17736, 18035, 21642, 22170, 28856, 29560, 35472, 36070, 43284, 44340, 54105, 57712, 59120, 72140, 86568, 88680, 108210, 144280, 173136, 177360, 216420, 288560, 432840, 865680, 2665573, 5331146, 7996719, 10662292, 13327865, 15993438, 21324584, 26655730, 31986876, 39983595, 42649168, 53311460, 63973752, 79967190, 106622920, 127947504, 159934380, 213245840, 319868760, 639737520]

約数ペア:

[(1, 639737520), (2, 319868760), (3, 213245840), (4, 159934380), (5, 127947504), (6, 106622920), (8, 79967190), (10, 63973752), (12, 53311460), (15, 42649168), (16, 39983595), (20, 31986876), (24, 26655730), (30, 21324584), (40, 15993438), (48, 13327865), (60, 10662292), (80, 7996719), (120, 5331146), (240, 2665573), (739, 865680), (1478, 432840), (2217, 288560), (2956, 216420), (3607, 177360), (3695, 173136), (4434, 144280), (5912, 108210), (7214, 88680), (7390, 86568), (8868, 72140), (10821, 59120), (11085, 57712), (11824, 54105), (14428, 44340), (14780, 43284), (17736, 36070), (18035, 35472), (21642, 29560), (22170, 28856)]