15105220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 35509320

約数和(自身を除く): 20404100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 109, 130, 164, 169, 205, 218, 260, 338, 410, 436, 533, 545, 676, 820, 845, 1066, 1090, 1417, 1690, 2132, 2180, 2665, 2834, 3380, 4469, 5330, 5668, 6929, 7085, 8938, 10660, 13858, 14170, 17876, 18421, 22345, 27716, 28340, 34645, 36842, 44690, 58097, 69290, 73684, 89380, 92105, 116194, 138580, 184210, 232388, 290485, 368420, 580970, 755261, 1161940, 1510522, 3021044, 3776305, 7552610, 15105220]

約数ペア:

[(1, 15105220), (2, 7552610), (4, 3776305), (5, 3021044), (10, 1510522), (13, 1161940), (20, 755261), (26, 580970), (41, 368420), (52, 290485), (65, 232388), (82, 184210), (109, 138580), (130, 116194), (164, 92105), (169, 89380), (205, 73684), (218, 69290), (260, 58097), (338, 44690), (410, 36842), (436, 34645), (533, 28340), (545, 27716), (676, 22345), (820, 18421), (845, 17876), (1066, 14170), (1090, 13858), (1417, 10660), (1690, 8938), (2132, 7085), (2180, 6929), (2665, 5668), (2834, 5330), (3380, 4469)]