1285300640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:431

約数の個数: 192

約数和(自身を含む): 3499324416

約数和(自身を除く): 2214023776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 163, 170, 208, 221, 223, 260, 272, 326, 340, 416, 442, 446, 520, 544, 652, 680, 815, 884, 892, 1040, 1105, 1115, 1304, 1360, 1630, 1768, 1784, 2080, 2119, 2210, 2230, 2608, 2720, 2771, 2899, 3260, 3536, 3568, 3791, 4238, 4420, 4460, 5216, 5542, 5798, 6520, 7072, 7136, 7582, 8476, 8840, 8920, 10595, 11084, 11596, 13040, 13855, 14495, 15164, 16952, 17680, 17840, 18955, 21190, 22168, 23192, 26080, 27710, 28990, 30328, 33904, 35360, 35680, 36023, 36349, 37910, 42380, 44336, 46384, 49283, 55420, 57980, 60656, 67808, 72046, 72698, 75820, 84760, 88672, 92768, 98566, 110840, 115960, 121312, 144092, 145396, 151640, 169520, 180115, 181745, 197132, 221680, 231920, 246415, 288184, 290792, 303280, 339040, 360230, 363490, 394264, 443360, 463840, 472537, 492830, 576368, 581584, 606560, 617933, 720460, 726980, 788528, 945074, 985660, 1152736, 1163168, 1235866, 1440920, 1453960, 1577056, 1890148, 1971320, 2362685, 2471732, 2881840, 2907920, 3089665, 3780296, 3942640, 4725370, 4943464, 5763680, 5815840, 6179330, 7560592, 7885280, 8033129, 9450740, 9886928, 12358660, 15121184, 16066258, 18901480, 19773856, 24717320, 32132516, 37802960, 40165645, 49434640, 64265032, 75605920, 80331290, 98869280, 128530064, 160662580, 257060128, 321325160, 642650320, 1285300640]

約数ペア:

[(1, 1285300640), (2, 642650320), (4, 321325160), (5, 257060128), (8, 160662580), (10, 128530064), (13, 98869280), (16, 80331290), (17, 75605920), (20, 64265032), (26, 49434640), (32, 40165645), (34, 37802960), (40, 32132516), (52, 24717320), (65, 19773856), (68, 18901480), (80, 16066258), (85, 15121184), (104, 12358660), (130, 9886928), (136, 9450740), (160, 8033129), (163, 7885280), (170, 7560592), (208, 6179330), (221, 5815840), (223, 5763680), (260, 4943464), (272, 4725370), (326, 3942640), (340, 3780296), (416, 3089665), (442, 2907920), (446, 2881840), (520, 2471732), (544, 2362685), (652, 1971320), (680, 1890148), (815, 1577056), (884, 1453960), (892, 1440920), (1040, 1235866), (1105, 1163168), (1115, 1152736), (1304, 985660), (1360, 945074), (1630, 788528), (1768, 726980), (1784, 720460), (2080, 617933), (2119, 606560), (2210, 581584), (2230, 576368), (2608, 492830), (2720, 472537), (2771, 463840), (2899, 443360), (3260, 394264), (3536, 363490), (3568, 360230), (3791, 339040), (4238, 303280), (4420, 290792), (4460, 288184), (5216, 246415), (5542, 231920), (5798, 221680), (6520, 197132), (7072, 181745), (7136, 180115), (7582, 169520), (8476, 151640), (8840, 145396), (8920, 144092), (10595, 121312), (11084, 115960), (11596, 110840), (13040, 98566), (13855, 92768), (14495, 88672), (15164, 84760), (16952, 75820), (17680, 72698), (17840, 72046), (18955, 67808), (21190, 60656), (22168, 57980), (23192, 55420), (26080, 49283), (27710, 46384), (28990, 44336), (30328, 42380), (33904, 37910), (35360, 36349), (35680, 36023)]