15916760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 38491200

約数和(自身を除く): 22574440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 263, 340, 356, 445, 526, 680, 712, 890, 1052, 1315, 1513, 1780, 2104, 2630, 3026, 3560, 4471, 5260, 6052, 7565, 8942, 10520, 12104, 15130, 17884, 22355, 23407, 30260, 35768, 44710, 46814, 60520, 89420, 93628, 117035, 178840, 187256, 234070, 397919, 468140, 795838, 936280, 1591676, 1989595, 3183352, 3979190, 7958380, 15916760]

約数ペア:

[(1, 15916760), (2, 7958380), (4, 3979190), (5, 3183352), (8, 1989595), (10, 1591676), (17, 936280), (20, 795838), (34, 468140), (40, 397919), (68, 234070), (85, 187256), (89, 178840), (136, 117035), (170, 93628), (178, 89420), (263, 60520), (340, 46814), (356, 44710), (445, 35768), (526, 30260), (680, 23407), (712, 22355), (890, 17884), (1052, 15130), (1315, 12104), (1513, 10520), (1780, 8942), (2104, 7565), (2630, 6052), (3026, 5260), (3560, 4471)]