66828840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42839}}^1$

素因数の和:42866

約数の個数: 64

約数和(自身を含む): 215913600

約数和(自身を除く): 149084760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 42839, 85678, 128517, 171356, 214195, 257034, 342712, 428390, 514068, 556907, 642585, 856780, 1028136, 1113814, 1285170, 1670721, 1713560, 2227628, 2570340, 2784535, 3341442, 4455256, 5140680, 5569070, 6682884, 8353605, 11138140, 13365768, 16707210, 22276280, 33414420, 66828840]

約数ペア:

[(1, 66828840), (2, 33414420), (3, 22276280), (4, 16707210), (5, 13365768), (6, 11138140), (8, 8353605), (10, 6682884), (12, 5569070), (13, 5140680), (15, 4455256), (20, 3341442), (24, 2784535), (26, 2570340), (30, 2227628), (39, 1713560), (40, 1670721), (52, 1285170), (60, 1113814), (65, 1028136), (78, 856780), (104, 642585), (120, 556907), (130, 514068), (156, 428390), (195, 342712), (260, 257034), (312, 214195), (390, 171356), (520, 128517), (780, 85678), (1560, 42839)]