644255280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{16883}}^1$

素因数の和:16955

約数の個数: 120

約数和(自身を含む): 2204577648

約数和(自身を除く): 1560322368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 53, 60, 72, 80, 90, 106, 120, 144, 159, 180, 212, 240, 265, 318, 360, 424, 477, 530, 636, 720, 795, 848, 954, 1060, 1272, 1590, 1908, 2120, 2385, 2544, 3180, 3816, 4240, 4770, 6360, 7632, 9540, 12720, 16883, 19080, 33766, 38160, 50649, 67532, 84415, 101298, 135064, 151947, 168830, 202596, 253245, 270128, 303894, 337660, 405192, 506490, 607788, 675320, 759735, 810384, 894799, 1012980, 1215576, 1350640, 1519470, 1789598, 2025960, 2431152, 2684397, 3038940, 3579196, 4051920, 4473995, 5368794, 6077880, 7158392, 8053191, 8947990, 10737588, 12155760, 13421985, 14316784, 16106382, 17895980, 21475176, 26843970, 32212764, 35791960, 40265955, 42950352, 53687940, 64425528, 71583920, 80531910, 107375880, 128851056, 161063820, 214751760, 322127640, 644255280]

約数ペア:

[(1, 644255280), (2, 322127640), (3, 214751760), (4, 161063820), (5, 128851056), (6, 107375880), (8, 80531910), (9, 71583920), (10, 64425528), (12, 53687940), (15, 42950352), (16, 40265955), (18, 35791960), (20, 32212764), (24, 26843970), (30, 21475176), (36, 17895980), (40, 16106382), (45, 14316784), (48, 13421985), (53, 12155760), (60, 10737588), (72, 8947990), (80, 8053191), (90, 7158392), (106, 6077880), (120, 5368794), (144, 4473995), (159, 4051920), (180, 3579196), (212, 3038940), (240, 2684397), (265, 2431152), (318, 2025960), (360, 1789598), (424, 1519470), (477, 1350640), (530, 1215576), (636, 1012980), (720, 894799), (795, 810384), (848, 759735), (954, 675320), (1060, 607788), (1272, 506490), (1590, 405192), (1908, 337660), (2120, 303894), (2385, 270128), (2544, 253245), (3180, 202596), (3816, 168830), (4240, 151947), (4770, 135064), (6360, 101298), (7632, 84415), (9540, 67532), (12720, 50649), (16883, 38160), (19080, 33766)]