19005465840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{889769}}^1$

素因数の和:889874

約数の個数: 80

約数和(自身を含む): 59578999200

約数和(自身を除く): 40573533360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 120, 178, 240, 267, 356, 445, 534, 712, 890, 1068, 1335, 1424, 1780, 2136, 2670, 3560, 4272, 5340, 7120, 10680, 21360, 889769, 1779538, 2669307, 3559076, 4448845, 5338614, 7118152, 8897690, 10677228, 13346535, 14236304, 17795380, 21354456, 26693070, 35590760, 42708912, 53386140, 71181520, 79189441, 106772280, 158378882, 213544560, 237568323, 316757764, 395947205, 475136646, 633515528, 791894410, 950273292, 1187841615, 1267031056, 1583788820, 1900546584, 2375683230, 3167577640, 3801093168, 4751366460, 6335155280, 9502732920, 19005465840]

約数ペア:

[(1, 19005465840), (2, 9502732920), (3, 6335155280), (4, 4751366460), (5, 3801093168), (6, 3167577640), (8, 2375683230), (10, 1900546584), (12, 1583788820), (15, 1267031056), (16, 1187841615), (20, 950273292), (24, 791894410), (30, 633515528), (40, 475136646), (48, 395947205), (60, 316757764), (80, 237568323), (89, 213544560), (120, 158378882), (178, 106772280), (240, 79189441), (267, 71181520), (356, 53386140), (445, 42708912), (534, 35590760), (712, 26693070), (890, 21354456), (1068, 17795380), (1335, 14236304), (1424, 13346535), (1780, 10677228), (2136, 8897690), (2670, 7118152), (3560, 5338614), (4272, 4448845), (5340, 3559076), (7120, 2669307), (10680, 1779538), (21360, 889769)]