639903120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{71}}^1$

素因数の和:198

約数の個数: 240

約数和(自身を含む): 2176253568

約数和(自身を除く): 1536350448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 47, 48, 51, 60, 68, 71, 80, 85, 94, 102, 120, 136, 141, 142, 170, 188, 204, 213, 235, 240, 255, 272, 282, 284, 340, 355, 376, 408, 426, 470, 510, 564, 568, 680, 705, 710, 752, 799, 816, 852, 940, 1020, 1065, 1128, 1136, 1207, 1360, 1410, 1420, 1598, 1704, 1880, 2040, 2130, 2209, 2256, 2397, 2414, 2820, 2840, 3196, 3337, 3408, 3621, 3760, 3995, 4080, 4260, 4418, 4794, 4828, 5640, 5680, 6035, 6392, 6627, 6674, 7242, 7990, 8520, 8836, 9588, 9656, 10011, 11045, 11280, 11985, 12070, 12784, 13254, 13348, 14484, 15980, 16685, 17040, 17672, 18105, 19176, 19312, 20022, 22090, 23970, 24140, 26508, 26696, 28968, 31960, 33135, 33370, 35344, 36210, 37553, 38352, 40044, 44180, 47940, 48280, 50055, 53016, 53392, 56729, 57936, 63920, 66270, 66740, 72420, 75106, 80088, 88360, 95880, 96560, 100110, 106032, 112659, 113458, 132540, 133480, 144840, 150212, 156839, 160176, 170187, 176720, 187765, 191760, 200220, 225318, 226916, 265080, 266960, 283645, 289680, 300424, 313678, 340374, 375530, 400440, 450636, 453832, 470517, 530160, 563295, 567290, 600848, 627356, 680748, 751060, 784195, 800880, 850935, 901272, 907664, 941034, 1126590, 1134580, 1254712, 1361496, 1502120, 1568390, 1701870, 1802544, 1882068, 2253180, 2269160, 2352585, 2509424, 2666263, 2722992, 3004240, 3136780, 3403740, 3764136, 4506360, 4538320, 4705170, 5332526, 6273560, 6807480, 7528272, 7998789, 9012720, 9410340, 10665052, 12547120, 13331315, 13614960, 15997578, 18820680, 21330104, 26662630, 31995156, 37641360, 39993945, 42660208, 53325260, 63990312, 79987890, 106650520, 127980624, 159975780, 213301040, 319951560, 639903120]

約数ペア:

[(1, 639903120), (2, 319951560), (3, 213301040), (4, 159975780), (5, 127980624), (6, 106650520), (8, 79987890), (10, 63990312), (12, 53325260), (15, 42660208), (16, 39993945), (17, 37641360), (20, 31995156), (24, 26662630), (30, 21330104), (34, 18820680), (40, 15997578), (47, 13614960), (48, 13331315), (51, 12547120), (60, 10665052), (68, 9410340), (71, 9012720), (80, 7998789), (85, 7528272), (94, 6807480), (102, 6273560), (120, 5332526), (136, 4705170), (141, 4538320), (142, 4506360), (170, 3764136), (188, 3403740), (204, 3136780), (213, 3004240), (235, 2722992), (240, 2666263), (255, 2509424), (272, 2352585), (282, 2269160), (284, 2253180), (340, 1882068), (355, 1802544), (376, 1701870), (408, 1568390), (426, 1502120), (470, 1361496), (510, 1254712), (564, 1134580), (568, 1126590), (680, 941034), (705, 907664), (710, 901272), (752, 850935), (799, 800880), (816, 784195), (852, 751060), (940, 680748), (1020, 627356), (1065, 600848), (1128, 567290), (1136, 563295), (1207, 530160), (1360, 470517), (1410, 453832), (1420, 450636), (1598, 400440), (1704, 375530), (1880, 340374), (2040, 313678), (2130, 300424), (2209, 289680), (2256, 283645), (2397, 266960), (2414, 265080), (2820, 226916), (2840, 225318), (3196, 200220), (3337, 191760), (3408, 187765), (3621, 176720), (3760, 170187), (3995, 160176), (4080, 156839), (4260, 150212), (4418, 144840), (4794, 133480), (4828, 132540), (5640, 113458), (5680, 112659), (6035, 106032), (6392, 100110), (6627, 96560), (6674, 95880), (7242, 88360), (7990, 80088), (8520, 75106), (8836, 72420), (9588, 66740), (9656, 66270), (10011, 63920), (11045, 57936), (11280, 56729), (11985, 53392), (12070, 53016), (12784, 50055), (13254, 48280), (13348, 47940), (14484, 44180), (15980, 40044), (16685, 38352), (17040, 37553), (17672, 36210), (18105, 35344), (19176, 33370), (19312, 33135), (20022, 31960), (22090, 28968), (23970, 26696), (24140, 26508)]