1720867920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{14087}}^1$

素因数の和:14612

約数の個数: 80

約数和(自身を含む): 5345550720

約数和(自身を除く): 3624682800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 509, 1018, 1527, 2036, 2545, 3054, 4072, 5090, 6108, 7635, 8144, 10180, 12216, 14087, 15270, 20360, 24432, 28174, 30540, 40720, 42261, 56348, 61080, 70435, 84522, 112696, 122160, 140870, 169044, 211305, 225392, 281740, 338088, 422610, 563480, 676176, 845220, 1126960, 1690440, 3380880, 7170283, 14340566, 21510849, 28681132, 35851415, 43021698, 57362264, 71702830, 86043396, 107554245, 114724528, 143405660, 172086792, 215108490, 286811320, 344173584, 430216980, 573622640, 860433960, 1720867920]

約数ペア:

[(1, 1720867920), (2, 860433960), (3, 573622640), (4, 430216980), (5, 344173584), (6, 286811320), (8, 215108490), (10, 172086792), (12, 143405660), (15, 114724528), (16, 107554245), (20, 86043396), (24, 71702830), (30, 57362264), (40, 43021698), (48, 35851415), (60, 28681132), (80, 21510849), (120, 14340566), (240, 7170283), (509, 3380880), (1018, 1690440), (1527, 1126960), (2036, 845220), (2545, 676176), (3054, 563480), (4072, 422610), (5090, 338088), (6108, 281740), (7635, 225392), (8144, 211305), (10180, 169044), (12216, 140870), (14087, 122160), (15270, 112696), (20360, 84522), (24432, 70435), (28174, 61080), (30540, 56348), (40720, 42261)]