15869940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13921}}^1$

素因数の和:13952

約数の個数: 48

約数和(自身を含む): 46777920

約数和(自身を除く): 30907980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 13921, 27842, 41763, 55684, 69605, 83526, 139210, 167052, 208815, 264499, 278420, 417630, 528998, 793497, 835260, 1057996, 1322495, 1586994, 2644990, 3173988, 3967485, 5289980, 7934970, 15869940]

約数ペア:

[(1, 15869940), (2, 7934970), (3, 5289980), (4, 3967485), (5, 3173988), (6, 2644990), (10, 1586994), (12, 1322495), (15, 1057996), (19, 835260), (20, 793497), (30, 528998), (38, 417630), (57, 278420), (60, 264499), (76, 208815), (95, 167052), (114, 139210), (190, 83526), (228, 69605), (285, 55684), (380, 41763), (570, 27842), (1140, 13921)]