78533840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 240

約数和(自身を含む): 245400960

約数和(自身を除く): 166867120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 61, 70, 76, 77, 80, 88, 95, 110, 112, 121, 122, 133, 140, 152, 154, 176, 190, 209, 220, 242, 244, 266, 280, 304, 305, 308, 380, 385, 418, 427, 440, 484, 488, 532, 560, 605, 610, 616, 665, 671, 760, 770, 836, 847, 854, 880, 968, 976, 1045, 1064, 1159, 1210, 1220, 1232, 1330, 1342, 1463, 1520, 1540, 1672, 1694, 1708, 1936, 2090, 2128, 2135, 2299, 2318, 2420, 2440, 2660, 2684, 2926, 3080, 3344, 3355, 3388, 3416, 4180, 4235, 4270, 4598, 4636, 4697, 4840, 4880, 5320, 5368, 5795, 5852, 6160, 6710, 6776, 6832, 7315, 7381, 8113, 8360, 8470, 8540, 9196, 9272, 9394, 9680, 10640, 10736, 11495, 11590, 11704, 12749, 13420, 13552, 14630, 14762, 16093, 16226, 16720, 16940, 17080, 18392, 18544, 18788, 22990, 23180, 23408, 23485, 25498, 26840, 29260, 29524, 32186, 32452, 33880, 34160, 36784, 36905, 37576, 40565, 45980, 46360, 46970, 50996, 51667, 53680, 58520, 59048, 63745, 64372, 64904, 67760, 73810, 75152, 80465, 81130, 89243, 91960, 92720, 93940, 101992, 103334, 117040, 118096, 127490, 128744, 129808, 140239, 147620, 160930, 162260, 178486, 183920, 187880, 203984, 206668, 254980, 257488, 258335, 280478, 295240, 321860, 324520, 356972, 375760, 413336, 446215, 509960, 516670, 560956, 590480, 643720, 649040, 701195, 713944, 826672, 892430, 981673, 1019920, 1033340, 1121912, 1287440, 1402390, 1427888, 1784860, 1963346, 2066680, 2243824, 2804780, 3569720, 3926692, 4133360, 4908365, 5609560, 7139440, 7853384, 9816730, 11219120, 15706768, 19633460, 39266920, 78533840]

約数ペア:

[(1, 78533840), (2, 39266920), (4, 19633460), (5, 15706768), (7, 11219120), (8, 9816730), (10, 7853384), (11, 7139440), (14, 5609560), (16, 4908365), (19, 4133360), (20, 3926692), (22, 3569720), (28, 2804780), (35, 2243824), (38, 2066680), (40, 1963346), (44, 1784860), (55, 1427888), (56, 1402390), (61, 1287440), (70, 1121912), (76, 1033340), (77, 1019920), (80, 981673), (88, 892430), (95, 826672), (110, 713944), (112, 701195), (121, 649040), (122, 643720), (133, 590480), (140, 560956), (152, 516670), (154, 509960), (176, 446215), (190, 413336), (209, 375760), (220, 356972), (242, 324520), (244, 321860), (266, 295240), (280, 280478), (304, 258335), (305, 257488), (308, 254980), (380, 206668), (385, 203984), (418, 187880), (427, 183920), (440, 178486), (484, 162260), (488, 160930), (532, 147620), (560, 140239), (605, 129808), (610, 128744), (616, 127490), (665, 118096), (671, 117040), (760, 103334), (770, 101992), (836, 93940), (847, 92720), (854, 91960), (880, 89243), (968, 81130), (976, 80465), (1045, 75152), (1064, 73810), (1159, 67760), (1210, 64904), (1220, 64372), (1232, 63745), (1330, 59048), (1342, 58520), (1463, 53680), (1520, 51667), (1540, 50996), (1672, 46970), (1694, 46360), (1708, 45980), (1936, 40565), (2090, 37576), (2128, 36905), (2135, 36784), (2299, 34160), (2318, 33880), (2420, 32452), (2440, 32186), (2660, 29524), (2684, 29260), (2926, 26840), (3080, 25498), (3344, 23485), (3355, 23408), (3388, 23180), (3416, 22990), (4180, 18788), (4235, 18544), (4270, 18392), (4598, 17080), (4636, 16940), (4697, 16720), (4840, 16226), (4880, 16093), (5320, 14762), (5368, 14630), (5795, 13552), (5852, 13420), (6160, 12749), (6710, 11704), (6776, 11590), (6832, 11495), (7315, 10736), (7381, 10640), (8113, 9680), (8360, 9394), (8470, 9272), (8540, 9196)]