820885120

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^3$

素因数の和:104

約数の個数: 256

約数和(自身を含む): 2392675200

約数和(自身を除く): 1571790080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 19, 20, 22, 32, 34, 38, 40, 44, 55, 64, 68, 76, 80, 85, 88, 95, 110, 128, 136, 152, 160, 170, 176, 187, 190, 209, 220, 272, 304, 320, 323, 340, 352, 361, 374, 380, 418, 440, 544, 608, 640, 646, 680, 704, 722, 748, 760, 836, 880, 935, 1045, 1088, 1216, 1292, 1360, 1408, 1444, 1496, 1520, 1615, 1672, 1760, 1805, 1870, 2090, 2176, 2432, 2584, 2720, 2888, 2992, 3040, 3230, 3344, 3520, 3553, 3610, 3740, 3971, 4180, 5168, 5440, 5776, 5984, 6080, 6137, 6460, 6688, 6859, 7040, 7106, 7220, 7480, 7942, 8360, 10336, 10880, 11552, 11968, 12160, 12274, 12920, 13376, 13718, 14212, 14440, 14960, 15884, 16720, 17765, 19855, 20672, 23104, 23936, 24548, 25840, 26752, 27436, 28424, 28880, 29920, 30685, 31768, 33440, 34295, 35530, 39710, 41344, 46208, 49096, 51680, 54872, 56848, 57760, 59840, 61370, 63536, 66880, 67507, 68590, 71060, 75449, 79420, 98192, 103360, 109744, 113696, 115520, 116603, 119680, 122740, 127072, 133760, 135014, 137180, 142120, 150898, 158840, 196384, 206720, 219488, 227392, 231040, 233206, 245480, 254144, 270028, 274360, 284240, 301796, 317680, 337535, 377245, 392768, 438976, 454784, 466412, 490960, 508288, 540056, 548720, 568480, 583015, 603592, 635360, 675070, 754490, 785536, 877952, 932824, 981920, 1080112, 1097440, 1136960, 1166030, 1207184, 1270720, 1282633, 1350140, 1508980, 1865648, 1963840, 2160224, 2194880, 2273920, 2332060, 2414368, 2541440, 2565266, 2700280, 3017960, 3731296, 3927680, 4320448, 4389760, 4664120, 4828736, 5130532, 5400560, 6035920, 6413165, 7462592, 8640896, 9328240, 9657472, 10261064, 10801120, 12071840, 12826330, 14925184, 18656480, 20522128, 21602240, 24143680, 25652660, 37312960, 41044256, 43204480, 48287360, 51305320, 74625920, 82088512, 102610640, 164177024, 205221280, 410442560, 820885120]

約数ペア:

[(1, 820885120), (2, 410442560), (4, 205221280), (5, 164177024), (8, 102610640), (10, 82088512), (11, 74625920), (16, 51305320), (17, 48287360), (19, 43204480), (20, 41044256), (22, 37312960), (32, 25652660), (34, 24143680), (38, 21602240), (40, 20522128), (44, 18656480), (55, 14925184), (64, 12826330), (68, 12071840), (76, 10801120), (80, 10261064), (85, 9657472), (88, 9328240), (95, 8640896), (110, 7462592), (128, 6413165), (136, 6035920), (152, 5400560), (160, 5130532), (170, 4828736), (176, 4664120), (187, 4389760), (190, 4320448), (209, 3927680), (220, 3731296), (272, 3017960), (304, 2700280), (320, 2565266), (323, 2541440), (340, 2414368), (352, 2332060), (361, 2273920), (374, 2194880), (380, 2160224), (418, 1963840), (440, 1865648), (544, 1508980), (608, 1350140), (640, 1282633), (646, 1270720), (680, 1207184), (704, 1166030), (722, 1136960), (748, 1097440), (760, 1080112), (836, 981920), (880, 932824), (935, 877952), (1045, 785536), (1088, 754490), (1216, 675070), (1292, 635360), (1360, 603592), (1408, 583015), (1444, 568480), (1496, 548720), (1520, 540056), (1615, 508288), (1672, 490960), (1760, 466412), (1805, 454784), (1870, 438976), (2090, 392768), (2176, 377245), (2432, 337535), (2584, 317680), (2720, 301796), (2888, 284240), (2992, 274360), (3040, 270028), (3230, 254144), (3344, 245480), (3520, 233206), (3553, 231040), (3610, 227392), (3740, 219488), (3971, 206720), (4180, 196384), (5168, 158840), (5440, 150898), (5776, 142120), (5984, 137180), (6080, 135014), (6137, 133760), (6460, 127072), (6688, 122740), (6859, 119680), (7040, 116603), (7106, 115520), (7220, 113696), (7480, 109744), (7942, 103360), (8360, 98192), (10336, 79420), (10880, 75449), (11552, 71060), (11968, 68590), (12160, 67507), (12274, 66880), (12920, 63536), (13376, 61370), (13718, 59840), (14212, 57760), (14440, 56848), (14960, 54872), (15884, 51680), (16720, 49096), (17765, 46208), (19855, 41344), (20672, 39710), (23104, 35530), (23936, 34295), (24548, 33440), (25840, 31768), (26752, 30685), (27436, 29920), (28424, 28880)]