48671920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 160

約数和(自身を含む): 134991360

約数和(自身を除く): 86319440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 41, 44, 55, 71, 76, 80, 82, 88, 95, 110, 142, 152, 164, 176, 190, 205, 209, 220, 284, 304, 328, 355, 380, 410, 418, 440, 451, 568, 656, 710, 760, 779, 781, 820, 836, 880, 902, 1045, 1136, 1349, 1420, 1520, 1558, 1562, 1640, 1672, 1804, 2090, 2255, 2698, 2840, 2911, 3116, 3124, 3280, 3344, 3608, 3895, 3905, 4180, 4510, 5396, 5680, 5822, 6232, 6248, 6745, 7216, 7790, 7810, 8360, 8569, 9020, 10792, 11644, 12464, 12496, 13490, 14555, 14839, 15580, 15620, 16720, 17138, 18040, 21584, 23288, 26980, 29110, 29678, 31160, 31240, 32021, 34276, 36080, 42845, 46576, 53960, 55309, 58220, 59356, 62320, 62480, 64042, 68552, 74195, 85690, 107920, 110618, 116440, 118712, 128084, 137104, 148390, 160105, 171380, 221236, 232880, 237424, 256168, 276545, 296780, 320210, 342760, 442472, 512336, 553090, 593560, 608399, 640420, 685520, 884944, 1106180, 1187120, 1216798, 1280840, 2212360, 2433596, 2561680, 3041995, 4424720, 4867192, 6083990, 9734384, 12167980, 24335960, 48671920]

約数ペア:

[(1, 48671920), (2, 24335960), (4, 12167980), (5, 9734384), (8, 6083990), (10, 4867192), (11, 4424720), (16, 3041995), (19, 2561680), (20, 2433596), (22, 2212360), (38, 1280840), (40, 1216798), (41, 1187120), (44, 1106180), (55, 884944), (71, 685520), (76, 640420), (80, 608399), (82, 593560), (88, 553090), (95, 512336), (110, 442472), (142, 342760), (152, 320210), (164, 296780), (176, 276545), (190, 256168), (205, 237424), (209, 232880), (220, 221236), (284, 171380), (304, 160105), (328, 148390), (355, 137104), (380, 128084), (410, 118712), (418, 116440), (440, 110618), (451, 107920), (568, 85690), (656, 74195), (710, 68552), (760, 64042), (779, 62480), (781, 62320), (820, 59356), (836, 58220), (880, 55309), (902, 53960), (1045, 46576), (1136, 42845), (1349, 36080), (1420, 34276), (1520, 32021), (1558, 31240), (1562, 31160), (1640, 29678), (1672, 29110), (1804, 26980), (2090, 23288), (2255, 21584), (2698, 18040), (2840, 17138), (2911, 16720), (3116, 15620), (3124, 15580), (3280, 14839), (3344, 14555), (3608, 13490), (3895, 12496), (3905, 12464), (4180, 11644), (4510, 10792), (5396, 9020), (5680, 8569), (5822, 8360), (6232, 7810), (6248, 7790), (6745, 7216)]