90020456960

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{70753}}^1$

素因数の和:70854

約数の個数: 160

約数和(自身を含む): 250149917952

約数和(自身を除く): 160129460992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 224, 256, 280, 284, 320, 355, 448, 497, 512, 560, 568, 640, 710, 896, 994, 1120, 1136, 1280, 1420, 1792, 1988, 2240, 2272, 2485, 2560, 2840, 3584, 3976, 4480, 4544, 4970, 5680, 7952, 8960, 9088, 9940, 11360, 15904, 17920, 18176, 19880, 22720, 31808, 36352, 39760, 45440, 63616, 70753, 79520, 90880, 127232, 141506, 159040, 181760, 254464, 283012, 318080, 353765, 495271, 566024, 636160, 707530, 990542, 1132048, 1272320, 1415060, 1981084, 2264096, 2476355, 2830120, 3962168, 4528192, 4952710, 5023463, 5660240, 7924336, 9056384, 9905420, 10046926, 11320480, 15848672, 18112768, 19810840, 20093852, 22640960, 25117315, 31697344, 35164241, 36225536, 39621680, 40187704, 45281920, 50234630, 63394688, 70328482, 79243360, 80375408, 90563840, 100469260, 126789376, 140656964, 158486720, 160750816, 175821205, 181127680, 200938520, 253578752, 281313928, 316973440, 321501632, 351642410, 401877040, 562627856, 633946880, 643003264, 703284820, 803754080, 1125255712, 1267893760, 1286006528, 1406569640, 1607508160, 2250511424, 2572013056, 2813139280, 3215016320, 4501022848, 5626278560, 6430032640, 9002045696, 11252557120, 12860065280, 18004091392, 22505114240, 45010228480, 90020456960]

約数ペア:

[(1, 90020456960), (2, 45010228480), (4, 22505114240), (5, 18004091392), (7, 12860065280), (8, 11252557120), (10, 9002045696), (14, 6430032640), (16, 5626278560), (20, 4501022848), (28, 3215016320), (32, 2813139280), (35, 2572013056), (40, 2250511424), (56, 1607508160), (64, 1406569640), (70, 1286006528), (71, 1267893760), (80, 1125255712), (112, 803754080), (128, 703284820), (140, 643003264), (142, 633946880), (160, 562627856), (224, 401877040), (256, 351642410), (280, 321501632), (284, 316973440), (320, 281313928), (355, 253578752), (448, 200938520), (497, 181127680), (512, 175821205), (560, 160750816), (568, 158486720), (640, 140656964), (710, 126789376), (896, 100469260), (994, 90563840), (1120, 80375408), (1136, 79243360), (1280, 70328482), (1420, 63394688), (1792, 50234630), (1988, 45281920), (2240, 40187704), (2272, 39621680), (2485, 36225536), (2560, 35164241), (2840, 31697344), (3584, 25117315), (3976, 22640960), (4480, 20093852), (4544, 19810840), (4970, 18112768), (5680, 15848672), (7952, 11320480), (8960, 10046926), (9088, 9905420), (9940, 9056384), (11360, 7924336), (15904, 5660240), (17920, 5023463), (18176, 4952710), (19880, 4528192), (22720, 3962168), (31808, 2830120), (36352, 2476355), (39760, 2264096), (45440, 1981084), (63616, 1415060), (70753, 1272320), (79520, 1132048), (90880, 990542), (127232, 707530), (141506, 636160), (159040, 566024), (181760, 495271), (254464, 353765), (283012, 318080)]