15881340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13931}}^1$

素因数の和:13962

約数の個数: 48

約数和(自身を含む): 46811520

約数和(自身を除く): 30930180

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, 13931, 27862, 41793, 55724, 69655, 83586, 139310, 167172, 208965, 264689, 278620, 417930, 529378, 794067, 835860, 1058756, 1323445, 1588134, 2646890, 3176268, 3970335, 5293780, 7940670, 15881340]

約数ペア:

[(1, 15881340), (2, 7940670), (3, 5293780), (4, 3970335), (5, 3176268), (6, 2646890), (10, 1588134), (12, 1323445), (15, 1058756), (19, 835860), (20, 794067), (30, 529378), (38, 417930), (57, 278620), (60, 264689), (76, 208965), (95, 167172), (114, 139310), (190, 83586), (228, 69655), (285, 55724), (380, 41793), (570, 27862), (1140, 13931)]