15501340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^3\times {\mathrm{113}}^1$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 34665120

約数和(自身を除く): 19163780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 113, 190, 226, 361, 380, 452, 565, 722, 1130, 1444, 1805, 2147, 2260, 3610, 4294, 6859, 7220, 8588, 10735, 13718, 21470, 27436, 34295, 40793, 42940, 68590, 81586, 137180, 163172, 203965, 407930, 775067, 815860, 1550134, 3100268, 3875335, 7750670, 15501340]

約数ペア:

[(1, 15501340), (2, 7750670), (4, 3875335), (5, 3100268), (10, 1550134), (19, 815860), (20, 775067), (38, 407930), (76, 203965), (95, 163172), (113, 137180), (190, 81586), (226, 68590), (361, 42940), (380, 40793), (452, 34295), (565, 27436), (722, 21470), (1130, 13718), (1444, 10735), (1805, 8588), (2147, 7220), (2260, 6859), (3610, 4294)]