217703520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 288

約数和(自身を含む): 799999200

約数和(自身を除く): 582295680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 73, 76, 80, 90, 95, 96, 109, 114, 120, 144, 146, 152, 160, 171, 180, 190, 218, 219, 228, 240, 285, 288, 292, 304, 327, 342, 360, 365, 380, 436, 438, 456, 480, 545, 570, 584, 608, 654, 657, 684, 720, 730, 760, 855, 872, 876, 912, 981, 1090, 1095, 1140, 1168, 1308, 1314, 1368, 1387, 1440, 1460, 1520, 1635, 1710, 1744, 1752, 1824, 1962, 2071, 2180, 2190, 2280, 2336, 2616, 2628, 2736, 2774, 2920, 3040, 3270, 3285, 3420, 3488, 3504, 3924, 4142, 4161, 4360, 4380, 4560, 4905, 5232, 5256, 5472, 5548, 5840, 6213, 6540, 6570, 6840, 6935, 7008, 7848, 7957, 8284, 8322, 8720, 8760, 9120, 9810, 10355, 10464, 10512, 11096, 11680, 12426, 12483, 13080, 13140, 13680, 13870, 15696, 15914, 16568, 16644, 17440, 17520, 18639, 19620, 20710, 20805, 21024, 22192, 23871, 24852, 24966, 26160, 26280, 27360, 27740, 31065, 31392, 31828, 33136, 33288, 35040, 37278, 39240, 39785, 41420, 41610, 44384, 47742, 49704, 49932, 52320, 52560, 55480, 62130, 62415, 63656, 66272, 66576, 71613, 74556, 78480, 79570, 82840, 83220, 93195, 95484, 99408, 99864, 105120, 110960, 119355, 124260, 124830, 127312, 133152, 143226, 149112, 151183, 156960, 159140, 165680, 166440, 186390, 190968, 198816, 199728, 221920, 238710, 248520, 249660, 254624, 286452, 298224, 302366, 318280, 331360, 332880, 358065, 372780, 381936, 399456, 453549, 477420, 497040, 499320, 572904, 596448, 604732, 636560, 665760, 716130, 745560, 755915, 763872, 907098, 954840, 994080, 998640, 1145808, 1209464, 1273120, 1360647, 1432260, 1491120, 1511830, 1814196, 1909680, 1997280, 2267745, 2291616, 2418928, 2721294, 2864520, 2982240, 3023660, 3628392, 3819360, 4535490, 4837856, 5442588, 5729040, 6047320, 6803235, 7256784, 9070980, 10885176, 11458080, 12094640, 13606470, 14513568, 18141960, 21770352, 24189280, 27212940, 36283920, 43540704, 54425880, 72567840, 108851760, 217703520]

約数ペア:

[(1, 217703520), (2, 108851760), (3, 72567840), (4, 54425880), (5, 43540704), (6, 36283920), (8, 27212940), (9, 24189280), (10, 21770352), (12, 18141960), (15, 14513568), (16, 13606470), (18, 12094640), (19, 11458080), (20, 10885176), (24, 9070980), (30, 7256784), (32, 6803235), (36, 6047320), (38, 5729040), (40, 5442588), (45, 4837856), (48, 4535490), (57, 3819360), (60, 3628392), (72, 3023660), (73, 2982240), (76, 2864520), (80, 2721294), (90, 2418928), (95, 2291616), (96, 2267745), (109, 1997280), (114, 1909680), (120, 1814196), (144, 1511830), (146, 1491120), (152, 1432260), (160, 1360647), (171, 1273120), (180, 1209464), (190, 1145808), (218, 998640), (219, 994080), (228, 954840), (240, 907098), (285, 763872), (288, 755915), (292, 745560), (304, 716130), (327, 665760), (342, 636560), (360, 604732), (365, 596448), (380, 572904), (436, 499320), (438, 497040), (456, 477420), (480, 453549), (545, 399456), (570, 381936), (584, 372780), (608, 358065), (654, 332880), (657, 331360), (684, 318280), (720, 302366), (730, 298224), (760, 286452), (855, 254624), (872, 249660), (876, 248520), (912, 238710), (981, 221920), (1090, 199728), (1095, 198816), (1140, 190968), (1168, 186390), (1308, 166440), (1314, 165680), (1368, 159140), (1387, 156960), (1440, 151183), (1460, 149112), (1520, 143226), (1635, 133152), (1710, 127312), (1744, 124830), (1752, 124260), (1824, 119355), (1962, 110960), (2071, 105120), (2180, 99864), (2190, 99408), (2280, 95484), (2336, 93195), (2616, 83220), (2628, 82840), (2736, 79570), (2774, 78480), (2920, 74556), (3040, 71613), (3270, 66576), (3285, 66272), (3420, 63656), (3488, 62415), (3504, 62130), (3924, 55480), (4142, 52560), (4161, 52320), (4360, 49932), (4380, 49704), (4560, 47742), (4905, 44384), (5232, 41610), (5256, 41420), (5472, 39785), (5548, 39240), (5840, 37278), (6213, 35040), (6540, 33288), (6570, 33136), (6840, 31828), (6935, 31392), (7008, 31065), (7848, 27740), (7957, 27360), (8284, 26280), (8322, 26160), (8720, 24966), (8760, 24852), (9120, 23871), (9810, 22192), (10355, 21024), (10464, 20805), (10512, 20710), (11096, 19620), (11680, 18639), (12426, 17520), (12483, 17440), (13080, 16644), (13140, 16568), (13680, 15914), (13870, 15696)]