320612520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157163}}^1$

素因数の和:157194

約数の個数: 64

約数和(自身を含む): 1018422720

約数和(自身を除く): 697810200

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, 157163, 314326, 471489, 628652, 785815, 942978, 1257304, 1571630, 1885956, 2357445, 2671771, 3143260, 3771912, 4714890, 5343542, 6286520, 8015313, 9429780, 10687084, 13358855, 16030626, 18859560, 21374168, 26717710, 32061252, 40076565, 53435420, 64122504, 80153130, 106870840, 160306260, 320612520]

約数ペア:

[(1, 320612520), (2, 160306260), (3, 106870840), (4, 80153130), (5, 64122504), (6, 53435420), (8, 40076565), (10, 32061252), (12, 26717710), (15, 21374168), (17, 18859560), (20, 16030626), (24, 13358855), (30, 10687084), (34, 9429780), (40, 8015313), (51, 6286520), (60, 5343542), (68, 4714890), (85, 3771912), (102, 3143260), (120, 2671771), (136, 2357445), (170, 1885956), (204, 1571630), (255, 1257304), (340, 942978), (408, 785815), (510, 628652), (680, 471489), (1020, 314326), (2040, 157163)]