220020480

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:367

約数の個数: 216

約数和(自身を含む): 774839520

約数和(自身を除く): 554819040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 71, 72, 80, 90, 96, 120, 128, 142, 144, 160, 180, 192, 213, 240, 256, 269, 284, 288, 320, 355, 360, 384, 426, 480, 538, 568, 576, 639, 640, 710, 720, 768, 807, 852, 960, 1065, 1076, 1136, 1152, 1278, 1280, 1345, 1420, 1440, 1614, 1704, 1920, 2130, 2152, 2272, 2304, 2421, 2556, 2690, 2840, 2880, 3195, 3228, 3408, 3840, 4035, 4260, 4304, 4544, 4842, 5112, 5380, 5680, 5760, 6390, 6456, 6816, 8070, 8520, 8608, 9088, 9684, 10224, 10760, 11360, 11520, 12105, 12780, 12912, 13632, 16140, 17040, 17216, 18176, 19099, 19368, 20448, 21520, 22720, 24210, 25560, 25824, 27264, 32280, 34080, 34432, 38198, 38736, 40896, 43040, 45440, 48420, 51120, 51648, 54528, 57297, 64560, 68160, 68864, 76396, 77472, 81792, 86080, 90880, 95495, 96840, 102240, 103296, 114594, 129120, 136320, 152792, 154944, 163584, 171891, 172160, 190990, 193680, 204480, 206592, 229188, 258240, 272640, 286485, 305584, 309888, 343782, 344320, 381980, 387360, 408960, 458376, 516480, 572970, 611168, 619776, 687564, 763960, 774720, 817920, 859455, 916752, 1032960, 1145940, 1222336, 1375128, 1527920, 1549440, 1718910, 1833504, 2291880, 2444672, 2750256, 3055840, 3098880, 3437820, 3667008, 4583760, 4889344, 5500512, 6111680, 6875640, 7334016, 9167520, 11001024, 12223360, 13751280, 14668032, 18335040, 22002048, 24446720, 27502560, 36670080, 44004096, 55005120, 73340160, 110010240, 220020480]

約数ペア:

[(1, 220020480), (2, 110010240), (3, 73340160), (4, 55005120), (5, 44004096), (6, 36670080), (8, 27502560), (9, 24446720), (10, 22002048), (12, 18335040), (15, 14668032), (16, 13751280), (18, 12223360), (20, 11001024), (24, 9167520), (30, 7334016), (32, 6875640), (36, 6111680), (40, 5500512), (45, 4889344), (48, 4583760), (60, 3667008), (64, 3437820), (71, 3098880), (72, 3055840), (80, 2750256), (90, 2444672), (96, 2291880), (120, 1833504), (128, 1718910), (142, 1549440), (144, 1527920), (160, 1375128), (180, 1222336), (192, 1145940), (213, 1032960), (240, 916752), (256, 859455), (269, 817920), (284, 774720), (288, 763960), (320, 687564), (355, 619776), (360, 611168), (384, 572970), (426, 516480), (480, 458376), (538, 408960), (568, 387360), (576, 381980), (639, 344320), (640, 343782), (710, 309888), (720, 305584), (768, 286485), (807, 272640), (852, 258240), (960, 229188), (1065, 206592), (1076, 204480), (1136, 193680), (1152, 190990), (1278, 172160), (1280, 171891), (1345, 163584), (1420, 154944), (1440, 152792), (1614, 136320), (1704, 129120), (1920, 114594), (2130, 103296), (2152, 102240), (2272, 96840), (2304, 95495), (2421, 90880), (2556, 86080), (2690, 81792), (2840, 77472), (2880, 76396), (3195, 68864), (3228, 68160), (3408, 64560), (3840, 57297), (4035, 54528), (4260, 51648), (4304, 51120), (4544, 48420), (4842, 45440), (5112, 43040), (5380, 40896), (5680, 38736), (5760, 38198), (6390, 34432), (6456, 34080), (6816, 32280), (8070, 27264), (8520, 25824), (8608, 25560), (9088, 24210), (9684, 22720), (10224, 21520), (10760, 20448), (11360, 19368), (11520, 19099), (12105, 18176), (12780, 17216), (12912, 17040), (13632, 16140)]