84186880

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{739}}^1$

素因数の和:849

約数の個数: 72

約数和(自身を含む): 204195600

約数和(自身を除く): 120008720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 356, 445, 640, 712, 739, 890, 1280, 1424, 1478, 1780, 2848, 2956, 3560, 3695, 5696, 5912, 7120, 7390, 11392, 11824, 14240, 14780, 22784, 23648, 28480, 29560, 47296, 56960, 59120, 65771, 94592, 113920, 118240, 131542, 189184, 236480, 263084, 328855, 472960, 526168, 657710, 945920, 1052336, 1315420, 2104672, 2630840, 4209344, 5261680, 8418688, 10523360, 16837376, 21046720, 42093440, 84186880]

約数ペア:

[(1, 84186880), (2, 42093440), (4, 21046720), (5, 16837376), (8, 10523360), (10, 8418688), (16, 5261680), (20, 4209344), (32, 2630840), (40, 2104672), (64, 1315420), (80, 1052336), (89, 945920), (128, 657710), (160, 526168), (178, 472960), (256, 328855), (320, 263084), (356, 236480), (445, 189184), (640, 131542), (712, 118240), (739, 113920), (890, 94592), (1280, 65771), (1424, 59120), (1478, 56960), (1780, 47296), (2848, 29560), (2956, 28480), (3560, 23648), (3695, 22784), (5696, 14780), (5912, 14240), (7120, 11824), (7390, 11392)]