221577720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:334

約数の個数: 256

約数和(自身を含む): 830269440

約数和(自身を除く): 608691720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 103, 104, 105, 120, 130, 140, 156, 168, 182, 195, 197, 206, 210, 260, 273, 280, 309, 312, 364, 390, 394, 412, 420, 455, 515, 520, 546, 591, 618, 721, 728, 780, 788, 824, 840, 910, 985, 1030, 1092, 1182, 1236, 1339, 1365, 1379, 1442, 1545, 1560, 1576, 1820, 1970, 2060, 2163, 2184, 2364, 2472, 2561, 2678, 2730, 2758, 2884, 2955, 3090, 3605, 3640, 3940, 4017, 4120, 4137, 4326, 4728, 5122, 5356, 5460, 5516, 5768, 5910, 6180, 6695, 6895, 7210, 7683, 7880, 8034, 8274, 8652, 9373, 10244, 10712, 10815, 10920, 11032, 11820, 12360, 12805, 13390, 13790, 14420, 15366, 16068, 16548, 17304, 17927, 18746, 20085, 20291, 20488, 20685, 21630, 23640, 25610, 26780, 27580, 28119, 28840, 30732, 32136, 33096, 35854, 37492, 38415, 40170, 40582, 41370, 43260, 46865, 51220, 53560, 53781, 55160, 56238, 60873, 61464, 71708, 74984, 76830, 80340, 81164, 82740, 86520, 89635, 93730, 101455, 102440, 107562, 112476, 121746, 140595, 142037, 143416, 153660, 160680, 162328, 165480, 179270, 187460, 202910, 215124, 224952, 243492, 263783, 268905, 281190, 284074, 304365, 307320, 358540, 374920, 405820, 426111, 430248, 486984, 527566, 537810, 562380, 568148, 608730, 710185, 717080, 791349, 811640, 852222, 1055132, 1075620, 1124760, 1136296, 1217460, 1318915, 1420370, 1582698, 1704444, 1846481, 2110264, 2130555, 2151240, 2434920, 2637830, 2840740, 3165396, 3408888, 3692962, 3956745, 4261110, 5275660, 5539443, 5681480, 6330792, 7385924, 7913490, 8522220, 9232405, 10551320, 11078886, 14771848, 15826980, 17044440, 18464810, 22157772, 27697215, 31653960, 36929620, 44315544, 55394430, 73859240, 110788860, 221577720]

約数ペア:

[(1, 221577720), (2, 110788860), (3, 73859240), (4, 55394430), (5, 44315544), (6, 36929620), (7, 31653960), (8, 27697215), (10, 22157772), (12, 18464810), (13, 17044440), (14, 15826980), (15, 14771848), (20, 11078886), (21, 10551320), (24, 9232405), (26, 8522220), (28, 7913490), (30, 7385924), (35, 6330792), (39, 5681480), (40, 5539443), (42, 5275660), (52, 4261110), (56, 3956745), (60, 3692962), (65, 3408888), (70, 3165396), (78, 2840740), (84, 2637830), (91, 2434920), (103, 2151240), (104, 2130555), (105, 2110264), (120, 1846481), (130, 1704444), (140, 1582698), (156, 1420370), (168, 1318915), (182, 1217460), (195, 1136296), (197, 1124760), (206, 1075620), (210, 1055132), (260, 852222), (273, 811640), (280, 791349), (309, 717080), (312, 710185), (364, 608730), (390, 568148), (394, 562380), (412, 537810), (420, 527566), (455, 486984), (515, 430248), (520, 426111), (546, 405820), (591, 374920), (618, 358540), (721, 307320), (728, 304365), (780, 284074), (788, 281190), (824, 268905), (840, 263783), (910, 243492), (985, 224952), (1030, 215124), (1092, 202910), (1182, 187460), (1236, 179270), (1339, 165480), (1365, 162328), (1379, 160680), (1442, 153660), (1545, 143416), (1560, 142037), (1576, 140595), (1820, 121746), (1970, 112476), (2060, 107562), (2163, 102440), (2184, 101455), (2364, 93730), (2472, 89635), (2561, 86520), (2678, 82740), (2730, 81164), (2758, 80340), (2884, 76830), (2955, 74984), (3090, 71708), (3605, 61464), (3640, 60873), (3940, 56238), (4017, 55160), (4120, 53781), (4137, 53560), (4326, 51220), (4728, 46865), (5122, 43260), (5356, 41370), (5460, 40582), (5516, 40170), (5768, 38415), (5910, 37492), (6180, 35854), (6695, 33096), (6895, 32136), (7210, 30732), (7683, 28840), (7880, 28119), (8034, 27580), (8274, 26780), (8652, 25610), (9373, 23640), (10244, 21630), (10712, 20685), (10815, 20488), (10920, 20291), (11032, 20085), (11820, 18746), (12360, 17927), (12805, 17304), (13390, 16548), (13790, 16068), (14420, 15366)]