30678390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4801}}^1$

素因数の和:4885

約数の個数: 48

約数和(自身を含む): 80904096

約数和(自身を除く): 50225706

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 4801, 6390, 9602, 14403, 24005, 28806, 43209, 48010, 72015, 86418, 144030, 216045, 340871, 432090, 681742, 1022613, 1704355, 2045226, 3067839, 3408710, 5113065, 6135678, 10226130, 15339195, 30678390]

約数ペア:

[(1, 30678390), (2, 15339195), (3, 10226130), (5, 6135678), (6, 5113065), (9, 3408710), (10, 3067839), (15, 2045226), (18, 1704355), (30, 1022613), (45, 681742), (71, 432090), (90, 340871), (142, 216045), (213, 144030), (355, 86418), (426, 72015), (639, 48010), (710, 43209), (1065, 28806), (1278, 24005), (2130, 14403), (3195, 9602), (4801, 6390)]