847740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 2419200

約数和(自身を除く): 1571460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 199, 213, 284, 355, 398, 426, 597, 710, 796, 852, 995, 1065, 1194, 1420, 1990, 2130, 2388, 2985, 3980, 4260, 5970, 11940, 14129, 28258, 42387, 56516, 70645, 84774, 141290, 169548, 211935, 282580, 423870, 847740]

約数ペア:

[(1, 847740), (2, 423870), (3, 282580), (4, 211935), (5, 169548), (6, 141290), (10, 84774), (12, 70645), (15, 56516), (20, 42387), (30, 28258), (60, 14129), (71, 11940), (142, 5970), (199, 4260), (213, 3980), (284, 2985), (355, 2388), (398, 2130), (426, 1990), (597, 1420), (710, 1194), (796, 1065), (852, 995)]