1978842880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 288

約数和(自身を含む): 5726601216

約数和(自身を除く): 3747758336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 47, 56, 64, 70, 74, 80, 94, 112, 127, 128, 140, 148, 160, 185, 188, 224, 235, 254, 256, 259, 280, 296, 320, 329, 370, 376, 448, 470, 508, 518, 560, 592, 635, 640, 658, 740, 752, 889, 896, 940, 1016, 1036, 1120, 1184, 1270, 1280, 1295, 1316, 1480, 1504, 1645, 1739, 1778, 1792, 1880, 2032, 2072, 2240, 2368, 2540, 2590, 2632, 2960, 3008, 3290, 3478, 3556, 3760, 4064, 4144, 4445, 4480, 4699, 4736, 5080, 5180, 5264, 5920, 5969, 6016, 6580, 6956, 7112, 7520, 8128, 8288, 8695, 8890, 8960, 9398, 9472, 10160, 10360, 10528, 11840, 11938, 12032, 12173, 13160, 13912, 14224, 15040, 16256, 16576, 17390, 17780, 18796, 20320, 20720, 21056, 23495, 23680, 23876, 24346, 26320, 27824, 28448, 29845, 30080, 32512, 32893, 33152, 34780, 35560, 37592, 40640, 41440, 41783, 42112, 46990, 47360, 47752, 48692, 52640, 55648, 56896, 59690, 60160, 60865, 65786, 66304, 69560, 71120, 75184, 81280, 82880, 83566, 84224, 93980, 95504, 97384, 105280, 111296, 113792, 119380, 121730, 131572, 139120, 142240, 150368, 162560, 164465, 165760, 167132, 187960, 191008, 194768, 208915, 210560, 220853, 222592, 227584, 238760, 243460, 263144, 278240, 284480, 300736, 328930, 331520, 334264, 375920, 382016, 389536, 417830, 421120, 441706, 445184, 477520, 486920, 526288, 556480, 568960, 601472, 657860, 668528, 751840, 764032, 779072, 835660, 883412, 955040, 973840, 1052576, 1104265, 1112960, 1137920, 1202944, 1315720, 1337056, 1503680, 1528064, 1545971, 1558144, 1671320, 1766824, 1910080, 1947680, 2105152, 2208530, 2225920, 2631440, 2674112, 3007360, 3091942, 3116288, 3342640, 3533648, 3820160, 3895360, 4210304, 4417060, 5262880, 5348224, 6014720, 6183884, 6685280, 7067296, 7640320, 7729855, 7790720, 8420608, 8834120, 10525760, 10696448, 12367768, 13370560, 14134592, 15459710, 15581440, 17668240, 21051520, 24735536, 26741120, 28269184, 30919420, 35336480, 42103040, 49471072, 53482240, 56538368, 61838840, 70672960, 98942144, 123677680, 141345920, 197884288, 247355360, 282691840, 395768576, 494710720, 989421440, 1978842880]

約数ペア:

[(1, 1978842880), (2, 989421440), (4, 494710720), (5, 395768576), (7, 282691840), (8, 247355360), (10, 197884288), (14, 141345920), (16, 123677680), (20, 98942144), (28, 70672960), (32, 61838840), (35, 56538368), (37, 53482240), (40, 49471072), (47, 42103040), (56, 35336480), (64, 30919420), (70, 28269184), (74, 26741120), (80, 24735536), (94, 21051520), (112, 17668240), (127, 15581440), (128, 15459710), (140, 14134592), (148, 13370560), (160, 12367768), (185, 10696448), (188, 10525760), (224, 8834120), (235, 8420608), (254, 7790720), (256, 7729855), (259, 7640320), (280, 7067296), (296, 6685280), (320, 6183884), (329, 6014720), (370, 5348224), (376, 5262880), (448, 4417060), (470, 4210304), (508, 3895360), (518, 3820160), (560, 3533648), (592, 3342640), (635, 3116288), (640, 3091942), (658, 3007360), (740, 2674112), (752, 2631440), (889, 2225920), (896, 2208530), (940, 2105152), (1016, 1947680), (1036, 1910080), (1120, 1766824), (1184, 1671320), (1270, 1558144), (1280, 1545971), (1295, 1528064), (1316, 1503680), (1480, 1337056), (1504, 1315720), (1645, 1202944), (1739, 1137920), (1778, 1112960), (1792, 1104265), (1880, 1052576), (2032, 973840), (2072, 955040), (2240, 883412), (2368, 835660), (2540, 779072), (2590, 764032), (2632, 751840), (2960, 668528), (3008, 657860), (3290, 601472), (3478, 568960), (3556, 556480), (3760, 526288), (4064, 486920), (4144, 477520), (4445, 445184), (4480, 441706), (4699, 421120), (4736, 417830), (5080, 389536), (5180, 382016), (5264, 375920), (5920, 334264), (5969, 331520), (6016, 328930), (6580, 300736), (6956, 284480), (7112, 278240), (7520, 263144), (8128, 243460), (8288, 238760), (8695, 227584), (8890, 222592), (8960, 220853), (9398, 210560), (9472, 208915), (10160, 194768), (10360, 191008), (10528, 187960), (11840, 167132), (11938, 165760), (12032, 164465), (12173, 162560), (13160, 150368), (13912, 142240), (14224, 139120), (15040, 131572), (16256, 121730), (16576, 119380), (17390, 113792), (17780, 111296), (18796, 105280), (20320, 97384), (20720, 95504), (21056, 93980), (23495, 84224), (23680, 83566), (23876, 82880), (24346, 81280), (26320, 75184), (27824, 71120), (28448, 69560), (29845, 66304), (30080, 65786), (32512, 60865), (32893, 60160), (33152, 59690), (34780, 56896), (35560, 55648), (37592, 52640), (40640, 48692), (41440, 47752), (41783, 47360), (42112, 46990)]