18650040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2129}}^1$

素因数の和:2216

約数の個数: 64

約数和(自身を含む): 56743200

約数和(自身を除く): 38093160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1752, 2129, 2190, 2920, 4258, 4380, 6387, 8516, 8760, 10645, 12774, 17032, 21290, 25548, 31935, 42580, 51096, 63870, 85160, 127740, 155417, 255480, 310834, 466251, 621668, 777085, 932502, 1243336, 1554170, 1865004, 2331255, 3108340, 3730008, 4662510, 6216680, 9325020, 18650040]

約数ペア:

[(1, 18650040), (2, 9325020), (3, 6216680), (4, 4662510), (5, 3730008), (6, 3108340), (8, 2331255), (10, 1865004), (12, 1554170), (15, 1243336), (20, 932502), (24, 777085), (30, 621668), (40, 466251), (60, 310834), (73, 255480), (120, 155417), (146, 127740), (219, 85160), (292, 63870), (365, 51096), (438, 42580), (584, 31935), (730, 25548), (876, 21290), (1095, 17032), (1460, 12774), (1752, 10645), (2129, 8760), (2190, 8516), (2920, 6387), (4258, 4380)]