280322520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137413}}^1$

素因数の和:137444

約数の個数: 64

約数和(自身を含む): 890442720

約数和(自身を除く): 610120200

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, 137413, 274826, 412239, 549652, 687065, 824478, 1099304, 1374130, 1648956, 2061195, 2336021, 2748260, 3297912, 4122390, 4672042, 5496520, 7008063, 8244780, 9344084, 11680105, 14016126, 16489560, 18688168, 23360210, 28032252, 35040315, 46720420, 56064504, 70080630, 93440840, 140161260, 280322520]

約数ペア:

[(1, 280322520), (2, 140161260), (3, 93440840), (4, 70080630), (5, 56064504), (6, 46720420), (8, 35040315), (10, 28032252), (12, 23360210), (15, 18688168), (17, 16489560), (20, 14016126), (24, 11680105), (30, 9344084), (34, 8244780), (40, 7008063), (51, 5496520), (60, 4672042), (68, 4122390), (85, 3297912), (102, 2748260), (120, 2336021), (136, 2061195), (170, 1648956), (204, 1374130), (255, 1099304), (340, 824478), (408, 687065), (510, 549652), (680, 412239), (1020, 274826), (2040, 137413)]