19811760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82549}}^1$

素因数の和:82565

約数の個数: 40

約数和(自身を含む): 61417200

約数和(自身を除く): 41605440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82549, 165098, 247647, 330196, 412745, 495294, 660392, 825490, 990588, 1238235, 1320784, 1650980, 1981176, 2476470, 3301960, 3962352, 4952940, 6603920, 9905880, 19811760]

約数ペア:

[(1, 19811760), (2, 9905880), (3, 6603920), (4, 4952940), (5, 3962352), (6, 3301960), (8, 2476470), (10, 1981176), (12, 1650980), (15, 1320784), (16, 1238235), (20, 990588), (24, 825490), (30, 660392), (40, 495294), (48, 412745), (60, 330196), (80, 247647), (120, 165098), (240, 82549)]