15444780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19801}}^1$

素因数の和:19826

約数の個数: 48

約数和(自身を含む): 46574304

約数和(自身を除く): 31129524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 19801, 39602, 59403, 79204, 99005, 118806, 198010, 237612, 257413, 297015, 396020, 514826, 594030, 772239, 1029652, 1188060, 1287065, 1544478, 2574130, 3088956, 3861195, 5148260, 7722390, 15444780]

約数ペア:

[(1, 15444780), (2, 7722390), (3, 5148260), (4, 3861195), (5, 3088956), (6, 2574130), (10, 1544478), (12, 1287065), (13, 1188060), (15, 1029652), (20, 772239), (26, 594030), (30, 514826), (39, 396020), (52, 297015), (60, 257413), (65, 237612), (78, 198010), (130, 118806), (156, 99005), (195, 79204), (260, 59403), (390, 39602), (780, 19801)]