72235980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{401311}}^1$

素因数の和:401326

約数の個数: 36

約数和(自身を含む): 219116352

約数和(自身を除く): 146880372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 401311, 802622, 1203933, 1605244, 2006555, 2407866, 3611799, 4013110, 4815732, 6019665, 7223598, 8026220, 12039330, 14447196, 18058995, 24078660, 36117990, 72235980]

約数ペア:

[(1, 72235980), (2, 36117990), (3, 24078660), (4, 18058995), (5, 14447196), (6, 12039330), (9, 8026220), (10, 7223598), (12, 6019665), (15, 4815732), (18, 4013110), (20, 3611799), (30, 2407866), (36, 2006555), (45, 1605244), (60, 1203933), (90, 802622), (180, 401311)]