320866680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{140731}}^1$

素因数の和:140764

約数の個数: 64

約数和(自身を含む): 1013270400

約数和(自身を除く): 692403720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 140731, 281462, 422193, 562924, 703655, 844386, 1125848, 1407310, 1688772, 2110965, 2673889, 2814620, 3377544, 4221930, 5347778, 5629240, 8021667, 8443860, 10695556, 13369445, 16043334, 16887720, 21391112, 26738890, 32086668, 40108335, 53477780, 64173336, 80216670, 106955560, 160433340, 320866680]

約数ペア:

[(1, 320866680), (2, 160433340), (3, 106955560), (4, 80216670), (5, 64173336), (6, 53477780), (8, 40108335), (10, 32086668), (12, 26738890), (15, 21391112), (19, 16887720), (20, 16043334), (24, 13369445), (30, 10695556), (38, 8443860), (40, 8021667), (57, 5629240), (60, 5347778), (76, 4221930), (95, 3377544), (114, 2814620), (120, 2673889), (152, 2110965), (190, 1688772), (228, 1407310), (285, 1125848), (380, 844386), (456, 703655), (570, 562924), (760, 422193), (1140, 281462), (2280, 140731)]