648049245

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 1119744000

約数和(自身を除く): 471694755

約数列:

[1, 3, 5, 15, 19, 57, 79, 95, 107, 237, 269, 285, 321, 395, 535, 807, 1185, 1345, 1501, 1605, 2033, 4035, 4503, 5111, 6099, 7505, 8453, 10165, 15333, 21251, 22515, 25359, 25555, 28783, 30495, 42265, 63753, 76665, 86349, 106255, 126795, 143915, 160607, 318765, 403769, 431745, 481821, 546877, 803035, 1211307, 1640631, 2018845, 2273857, 2409105, 2734385, 6056535, 6821571, 8203155, 11369285, 34107855, 43203283, 129609849, 216016415, 648049245]

約数ペア:

[(1, 648049245), (3, 216016415), (5, 129609849), (15, 43203283), (19, 34107855), (57, 11369285), (79, 8203155), (95, 6821571), (107, 6056535), (237, 2734385), (269, 2409105), (285, 2273857), (321, 2018845), (395, 1640631), (535, 1211307), (807, 803035), (1185, 546877), (1345, 481821), (1501, 431745), (1605, 403769), (2033, 318765), (4035, 160607), (4503, 143915), (5111, 126795), (6099, 106255), (7505, 86349), (8453, 76665), (10165, 63753), (15333, 42265), (21251, 30495), (22515, 28783), (25359, 25555)]