1640728368

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{495389}}^1$

素因数の和:495426

約数の個数: 60

約数和(自身を含む): 4791412080

約数和(自身を除く): 3150683712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 276, 368, 414, 552, 828, 1104, 1656, 3312, 495389, 990778, 1486167, 1981556, 2972334, 3963112, 4458501, 5944668, 7926224, 8917002, 11393947, 11889336, 17834004, 22787894, 23778672, 34181841, 35668008, 45575788, 68363682, 71336016, 91151576, 102545523, 136727364, 182303152, 205091046, 273454728, 410182092, 546909456, 820364184, 1640728368]

約数ペア:

[(1, 1640728368), (2, 820364184), (3, 546909456), (4, 410182092), (6, 273454728), (8, 205091046), (9, 182303152), (12, 136727364), (16, 102545523), (18, 91151576), (23, 71336016), (24, 68363682), (36, 45575788), (46, 35668008), (48, 34181841), (69, 23778672), (72, 22787894), (92, 17834004), (138, 11889336), (144, 11393947), (184, 8917002), (207, 7926224), (276, 5944668), (368, 4458501), (414, 3963112), (552, 2972334), (828, 1981556), (1104, 1486167), (1656, 990778), (3312, 495389)]