81470370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1663}}^1$

素因数の和:1767

約数の個数: 64

約数和(自身を含む): 207028224

約数和(自身を除く): 125557854

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 71, 115, 138, 142, 213, 230, 345, 355, 426, 690, 710, 1065, 1633, 1663, 2130, 3266, 3326, 4899, 4989, 8165, 8315, 9798, 9978, 16330, 16630, 24495, 24945, 38249, 48990, 49890, 76498, 114747, 118073, 191245, 229494, 236146, 354219, 382490, 573735, 590365, 708438, 1147470, 1180730, 1771095, 2715679, 3542190, 5431358, 8147037, 13578395, 16294074, 27156790, 40735185, 81470370]

約数ペア:

[(1, 81470370), (2, 40735185), (3, 27156790), (5, 16294074), (6, 13578395), (10, 8147037), (15, 5431358), (23, 3542190), (30, 2715679), (46, 1771095), (69, 1180730), (71, 1147470), (115, 708438), (138, 590365), (142, 573735), (213, 382490), (230, 354219), (345, 236146), (355, 229494), (426, 191245), (690, 118073), (710, 114747), (1065, 76498), (1633, 49890), (1663, 48990), (2130, 38249), (3266, 24945), (3326, 24495), (4899, 16630), (4989, 16330), (8165, 9978), (8315, 9798)]