13049206020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{521551}}^1$

素因数の和:521705

約数の個数: 72

約数和(自身を含む): 39867434880

約数和(自身を除く): 26818228860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 12510, 25020, 521551, 1043102, 1564653, 2086204, 2607755, 3129306, 4693959, 5215510, 6258612, 7823265, 9387918, 10431020, 15646530, 18775836, 23469795, 31293060, 46939590, 72495589, 93879180, 144991178, 217486767, 289982356, 362477945, 434973534, 652460301, 724955890, 869947068, 1087433835, 1304920602, 1449911780, 2174867670, 2609841204, 3262301505, 4349735340, 6524603010, 13049206020]

約数ペア:

[(1, 13049206020), (2, 6524603010), (3, 4349735340), (4, 3262301505), (5, 2609841204), (6, 2174867670), (9, 1449911780), (10, 1304920602), (12, 1087433835), (15, 869947068), (18, 724955890), (20, 652460301), (30, 434973534), (36, 362477945), (45, 289982356), (60, 217486767), (90, 144991178), (139, 93879180), (180, 72495589), (278, 46939590), (417, 31293060), (556, 23469795), (695, 18775836), (834, 15646530), (1251, 10431020), (1390, 9387918), (1668, 7823265), (2085, 6258612), (2502, 5215510), (2780, 4693959), (4170, 3129306), (5004, 2607755), (6255, 2086204), (8340, 1564653), (12510, 1043102), (25020, 521551)]