1553440240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:188

約数の個数: 240

約数和(自身を含む): 4265726976

約数和(自身を除く): 2712286736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 47, 55, 71, 80, 88, 92, 94, 110, 115, 142, 176, 184, 188, 220, 230, 235, 253, 284, 355, 368, 376, 440, 460, 470, 506, 517, 529, 568, 710, 752, 781, 880, 920, 940, 1012, 1034, 1058, 1081, 1136, 1265, 1420, 1562, 1633, 1840, 1880, 2024, 2068, 2116, 2162, 2530, 2585, 2645, 2840, 3124, 3266, 3337, 3760, 3905, 4048, 4136, 4232, 4324, 5060, 5170, 5290, 5405, 5680, 5819, 6248, 6532, 6674, 7810, 8165, 8272, 8464, 8648, 10120, 10340, 10580, 10810, 11638, 11891, 12496, 13064, 13348, 15620, 16330, 16685, 17296, 17963, 20240, 20680, 21160, 21620, 23276, 23782, 24863, 26128, 26696, 29095, 31240, 32660, 33370, 35926, 36707, 37559, 41360, 42320, 43240, 46552, 47564, 49726, 53392, 58190, 59455, 62480, 65320, 66740, 71852, 73414, 75118, 76751, 86480, 89815, 93104, 95128, 99452, 116380, 118910, 124315, 130640, 133480, 143704, 146828, 150236, 153502, 179630, 183535, 187795, 190256, 198904, 232760, 237820, 248630, 266960, 273493, 287408, 293656, 300472, 307004, 359260, 367070, 375590, 383755, 397808, 413149, 465520, 475640, 497260, 546986, 587312, 600944, 614008, 718520, 734140, 751180, 767510, 826298, 844261, 951280, 994520, 1093972, 1228016, 1367465, 1437040, 1468280, 1502360, 1535020, 1652596, 1688522, 1765273, 1989040, 2065745, 2187944, 2734930, 2936560, 3004720, 3070040, 3305192, 3377044, 3530546, 4131490, 4221305, 4375888, 5469860, 6140080, 6610384, 6754088, 7061092, 8262980, 8442610, 8826365, 10939720, 13508176, 14122184, 16525960, 16885220, 17652730, 19418003, 21879440, 28244368, 33051920, 33770440, 35305460, 38836006, 67540880, 70610920, 77672012, 97090015, 141221840, 155344024, 194180030, 310688048, 388360060, 776720120, 1553440240]

約数ペア:

[(1, 1553440240), (2, 776720120), (4, 388360060), (5, 310688048), (8, 194180030), (10, 155344024), (11, 141221840), (16, 97090015), (20, 77672012), (22, 70610920), (23, 67540880), (40, 38836006), (44, 35305460), (46, 33770440), (47, 33051920), (55, 28244368), (71, 21879440), (80, 19418003), (88, 17652730), (92, 16885220), (94, 16525960), (110, 14122184), (115, 13508176), (142, 10939720), (176, 8826365), (184, 8442610), (188, 8262980), (220, 7061092), (230, 6754088), (235, 6610384), (253, 6140080), (284, 5469860), (355, 4375888), (368, 4221305), (376, 4131490), (440, 3530546), (460, 3377044), (470, 3305192), (506, 3070040), (517, 3004720), (529, 2936560), (568, 2734930), (710, 2187944), (752, 2065745), (781, 1989040), (880, 1765273), (920, 1688522), (940, 1652596), (1012, 1535020), (1034, 1502360), (1058, 1468280), (1081, 1437040), (1136, 1367465), (1265, 1228016), (1420, 1093972), (1562, 994520), (1633, 951280), (1840, 844261), (1880, 826298), (2024, 767510), (2068, 751180), (2116, 734140), (2162, 718520), (2530, 614008), (2585, 600944), (2645, 587312), (2840, 546986), (3124, 497260), (3266, 475640), (3337, 465520), (3760, 413149), (3905, 397808), (4048, 383755), (4136, 375590), (4232, 367070), (4324, 359260), (5060, 307004), (5170, 300472), (5290, 293656), (5405, 287408), (5680, 273493), (5819, 266960), (6248, 248630), (6532, 237820), (6674, 232760), (7810, 198904), (8165, 190256), (8272, 187795), (8464, 183535), (8648, 179630), (10120, 153502), (10340, 150236), (10580, 146828), (10810, 143704), (11638, 133480), (11891, 130640), (12496, 124315), (13064, 118910), (13348, 116380), (15620, 99452), (16330, 95128), (16685, 93104), (17296, 89815), (17963, 86480), (20240, 76751), (20680, 75118), (21160, 73414), (21620, 71852), (23276, 66740), (23782, 65320), (24863, 62480), (26128, 59455), (26696, 58190), (29095, 53392), (31240, 49726), (32660, 47564), (33370, 46552), (35926, 43240), (36707, 42320), (37559, 41360)]