30638360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 72230400

約数和(自身を除く): 41592040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 379, 430, 470, 758, 860, 940, 1516, 1720, 1880, 1895, 2021, 3032, 3790, 4042, 7580, 8084, 10105, 15160, 16168, 16297, 17813, 20210, 32594, 35626, 40420, 65188, 71252, 80840, 81485, 89065, 130376, 142504, 162970, 178130, 325940, 356260, 651880, 712520, 765959, 1531918, 3063836, 3829795, 6127672, 7659590, 15319180, 30638360]

約数ペア:

[(1, 30638360), (2, 15319180), (4, 7659590), (5, 6127672), (8, 3829795), (10, 3063836), (20, 1531918), (40, 765959), (43, 712520), (47, 651880), (86, 356260), (94, 325940), (172, 178130), (188, 162970), (215, 142504), (235, 130376), (344, 89065), (376, 81485), (379, 80840), (430, 71252), (470, 65188), (758, 40420), (860, 35626), (940, 32594), (1516, 20210), (1720, 17813), (1880, 16297), (1895, 16168), (2021, 15160), (3032, 10105), (3790, 8084), (4042, 7580)]