15278660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1356

約数の個数: 48

約数和(自身を含む): 34890240

約数和(自身を除く): 19611580

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 1297, 2356, 2594, 2945, 5188, 5890, 6485, 11780, 12970, 24643, 25940, 40207, 49286, 80414, 98572, 123215, 160828, 201035, 246430, 402070, 492860, 763933, 804140, 1527866, 3055732, 3819665, 7639330, 15278660]

約数ペア:

[(1, 15278660), (2, 7639330), (4, 3819665), (5, 3055732), (10, 1527866), (19, 804140), (20, 763933), (31, 492860), (38, 402070), (62, 246430), (76, 201035), (95, 160828), (124, 123215), (155, 98572), (190, 80414), (310, 49286), (380, 40207), (589, 25940), (620, 24643), (1178, 12970), (1297, 11780), (2356, 6485), (2594, 5890), (2945, 5188)]