16461280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 43545600

約数和(自身を除く): 27084320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 80, 88, 94, 110, 160, 176, 188, 199, 220, 235, 352, 376, 398, 440, 470, 517, 752, 796, 880, 940, 995, 1034, 1504, 1592, 1760, 1880, 1990, 2068, 2189, 2585, 3184, 3760, 3980, 4136, 4378, 5170, 6368, 7520, 7960, 8272, 8756, 9353, 10340, 10945, 15920, 16544, 17512, 18706, 20680, 21890, 31840, 35024, 37412, 41360, 43780, 46765, 70048, 74824, 82720, 87560, 93530, 102883, 149648, 175120, 187060, 205766, 299296, 350240, 374120, 411532, 514415, 748240, 823064, 1028830, 1496480, 1646128, 2057660, 3292256, 4115320, 8230640, 16461280]

約数ペア:

[(1, 16461280), (2, 8230640), (4, 4115320), (5, 3292256), (8, 2057660), (10, 1646128), (11, 1496480), (16, 1028830), (20, 823064), (22, 748240), (32, 514415), (40, 411532), (44, 374120), (47, 350240), (55, 299296), (80, 205766), (88, 187060), (94, 175120), (110, 149648), (160, 102883), (176, 93530), (188, 87560), (199, 82720), (220, 74824), (235, 70048), (352, 46765), (376, 43780), (398, 41360), (440, 37412), (470, 35024), (517, 31840), (752, 21890), (796, 20680), (880, 18706), (940, 17512), (995, 16544), (1034, 15920), (1504, 10945), (1592, 10340), (1760, 9353), (1880, 8756), (1990, 8272), (2068, 7960), (2189, 7520), (2585, 6368), (3184, 5170), (3760, 4378), (3980, 4136)]