28554780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6703}}^1$

素因数の和:6786

約数の個数: 48

約数和(自身を含む): 81091584

約数和(自身を除く): 52536804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 6703, 13406, 20109, 26812, 33515, 40218, 67030, 80436, 100545, 134060, 201090, 402180, 475913, 951826, 1427739, 1903652, 2379565, 2855478, 4759130, 5710956, 7138695, 9518260, 14277390, 28554780]

約数ペア:

[(1, 28554780), (2, 14277390), (3, 9518260), (4, 7138695), (5, 5710956), (6, 4759130), (10, 2855478), (12, 2379565), (15, 1903652), (20, 1427739), (30, 951826), (60, 475913), (71, 402180), (142, 201090), (213, 134060), (284, 100545), (355, 80436), (426, 67030), (710, 40218), (852, 33515), (1065, 26812), (1420, 20109), (2130, 13406), (4260, 6703)]