261631920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{99103}}^1$

素因数の和:99130

約数の個数: 80

約数和(自身を含む): 884800512

約数和(自身を除く): 623168592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 99103, 198206, 297309, 396412, 495515, 594618, 792824, 991030, 1090133, 1189236, 1486545, 1585648, 1982060, 2180266, 2378472, 2973090, 3270399, 3964120, 4360532, 4756944, 5450665, 5946180, 6540798, 7928240, 8721064, 10901330, 11892360, 13081596, 16351995, 17442128, 21802660, 23784720, 26163192, 32703990, 43605320, 52326384, 65407980, 87210640, 130815960, 261631920]

約数ペア:

[(1, 261631920), (2, 130815960), (3, 87210640), (4, 65407980), (5, 52326384), (6, 43605320), (8, 32703990), (10, 26163192), (11, 23784720), (12, 21802660), (15, 17442128), (16, 16351995), (20, 13081596), (22, 11892360), (24, 10901330), (30, 8721064), (33, 7928240), (40, 6540798), (44, 5946180), (48, 5450665), (55, 4756944), (60, 4360532), (66, 3964120), (80, 3270399), (88, 2973090), (110, 2378472), (120, 2180266), (132, 1982060), (165, 1585648), (176, 1486545), (220, 1189236), (240, 1090133), (264, 991030), (330, 792824), (440, 594618), (528, 495515), (660, 396412), (880, 297309), (1320, 198206), (2640, 99103)]