72708840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{22441}}^1$

素因数の和:22464

約数の個数: 80

約数和(自身を含む): 244393380

約数和(自身を除く): 171684540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 22441, 44882, 67323, 89764, 112205, 134646, 179528, 201969, 224410, 269292, 336615, 403938, 448820, 538584, 605907, 673230, 807876, 897640, 1009845, 1211814, 1346460, 1615752, 1817721, 2019690, 2423628, 2692920, 3029535, 3635442, 4039380, 4847256, 6059070, 7270884, 8078760, 9088605, 12118140, 14541768, 18177210, 24236280, 36354420, 72708840]

約数ペア:

[(1, 72708840), (2, 36354420), (3, 24236280), (4, 18177210), (5, 14541768), (6, 12118140), (8, 9088605), (9, 8078760), (10, 7270884), (12, 6059070), (15, 4847256), (18, 4039380), (20, 3635442), (24, 3029535), (27, 2692920), (30, 2423628), (36, 2019690), (40, 1817721), (45, 1615752), (54, 1346460), (60, 1211814), (72, 1009845), (81, 897640), (90, 807876), (108, 673230), (120, 605907), (135, 538584), (162, 448820), (180, 403938), (216, 336615), (270, 269292), (324, 224410), (360, 201969), (405, 179528), (540, 134646), (648, 112205), (810, 89764), (1080, 67323), (1620, 44882), (3240, 22441)]