248449560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{121789}}^1$

素因数の和:121820

約数の個数: 64

約数和(自身を含む): 789199200

約数和(自身を除く): 540749640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 121789, 243578, 365367, 487156, 608945, 730734, 974312, 1217890, 1461468, 1826835, 2070413, 2435780, 2922936, 3653670, 4140826, 4871560, 6211239, 7307340, 8281652, 10352065, 12422478, 14614680, 16563304, 20704130, 24844956, 31056195, 41408260, 49689912, 62112390, 82816520, 124224780, 248449560]

約数ペア:

[(1, 248449560), (2, 124224780), (3, 82816520), (4, 62112390), (5, 49689912), (6, 41408260), (8, 31056195), (10, 24844956), (12, 20704130), (15, 16563304), (17, 14614680), (20, 12422478), (24, 10352065), (30, 8281652), (34, 7307340), (40, 6211239), (51, 4871560), (60, 4140826), (68, 3653670), (85, 2922936), (102, 2435780), (120, 2070413), (136, 1826835), (170, 1461468), (204, 1217890), (255, 974312), (340, 730734), (408, 608945), (510, 487156), (680, 365367), (1020, 243578), (2040, 121789)]