218224440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 288

約数和(自身を含む): 840294000

約数和(自身を除く): 622069560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 89, 90, 98, 105, 120, 126, 139, 140, 147, 168, 178, 180, 196, 210, 245, 252, 267, 278, 280, 294, 315, 356, 360, 392, 417, 420, 441, 445, 490, 504, 534, 556, 588, 623, 630, 695, 712, 735, 801, 834, 840, 882, 890, 973, 980, 1068, 1112, 1176, 1246, 1251, 1260, 1335, 1390, 1470, 1602, 1668, 1764, 1780, 1869, 1946, 1960, 2085, 2136, 2205, 2492, 2502, 2520, 2670, 2780, 2919, 2940, 3115, 3204, 3336, 3528, 3560, 3738, 3892, 4005, 4170, 4361, 4410, 4865, 4984, 5004, 5340, 5560, 5607, 5838, 5880, 6230, 6255, 6408, 6811, 7476, 7784, 8010, 8340, 8722, 8757, 8820, 9345, 9730, 10008, 10680, 11214, 11676, 12371, 12460, 12510, 13083, 13622, 14595, 14952, 16020, 16680, 17444, 17514, 17640, 18690, 19460, 20433, 21805, 22428, 23352, 24742, 24920, 25020, 26166, 27244, 28035, 29190, 32040, 34055, 34888, 35028, 37113, 37380, 38920, 39249, 40866, 43610, 43785, 44856, 49484, 50040, 52332, 54488, 56070, 58380, 61299, 61855, 65415, 68110, 70056, 74226, 74760, 78498, 81732, 86597, 87220, 87570, 98968, 102165, 104664, 111339, 112140, 116760, 122598, 123710, 130830, 136220, 148452, 156996, 163464, 173194, 174440, 175140, 185565, 196245, 204330, 222678, 224280, 245196, 247420, 259791, 261660, 272440, 296904, 306495, 313992, 346388, 350280, 371130, 392490, 408660, 432985, 445356, 490392, 494840, 519582, 523320, 556695, 606179, 612990, 692776, 742260, 779373, 784980, 817320, 865970, 890712, 1039164, 1113390, 1212358, 1225980, 1298955, 1484520, 1558746, 1569960, 1731940, 1818537, 2078328, 2226780, 2424716, 2451960, 2597910, 3030895, 3117492, 3463880, 3637074, 3896865, 4453560, 4849432, 5195820, 5455611, 6061790, 6234984, 7274148, 7793730, 9092685, 10391640, 10911222, 12123580, 14548296, 15587460, 18185370, 21822444, 24247160, 27278055, 31174920, 36370740, 43644888, 54556110, 72741480, 109112220, 218224440]

約数ペア:

[(1, 218224440), (2, 109112220), (3, 72741480), (4, 54556110), (5, 43644888), (6, 36370740), (7, 31174920), (8, 27278055), (9, 24247160), (10, 21822444), (12, 18185370), (14, 15587460), (15, 14548296), (18, 12123580), (20, 10911222), (21, 10391640), (24, 9092685), (28, 7793730), (30, 7274148), (35, 6234984), (36, 6061790), (40, 5455611), (42, 5195820), (45, 4849432), (49, 4453560), (56, 3896865), (60, 3637074), (63, 3463880), (70, 3117492), (72, 3030895), (84, 2597910), (89, 2451960), (90, 2424716), (98, 2226780), (105, 2078328), (120, 1818537), (126, 1731940), (139, 1569960), (140, 1558746), (147, 1484520), (168, 1298955), (178, 1225980), (180, 1212358), (196, 1113390), (210, 1039164), (245, 890712), (252, 865970), (267, 817320), (278, 784980), (280, 779373), (294, 742260), (315, 692776), (356, 612990), (360, 606179), (392, 556695), (417, 523320), (420, 519582), (441, 494840), (445, 490392), (490, 445356), (504, 432985), (534, 408660), (556, 392490), (588, 371130), (623, 350280), (630, 346388), (695, 313992), (712, 306495), (735, 296904), (801, 272440), (834, 261660), (840, 259791), (882, 247420), (890, 245196), (973, 224280), (980, 222678), (1068, 204330), (1112, 196245), (1176, 185565), (1246, 175140), (1251, 174440), (1260, 173194), (1335, 163464), (1390, 156996), (1470, 148452), (1602, 136220), (1668, 130830), (1764, 123710), (1780, 122598), (1869, 116760), (1946, 112140), (1960, 111339), (2085, 104664), (2136, 102165), (2205, 98968), (2492, 87570), (2502, 87220), (2520, 86597), (2670, 81732), (2780, 78498), (2919, 74760), (2940, 74226), (3115, 70056), (3204, 68110), (3336, 65415), (3528, 61855), (3560, 61299), (3738, 58380), (3892, 56070), (4005, 54488), (4170, 52332), (4361, 50040), (4410, 49484), (4865, 44856), (4984, 43785), (5004, 43610), (5340, 40866), (5560, 39249), (5607, 38920), (5838, 37380), (5880, 37113), (6230, 35028), (6255, 34888), (6408, 34055), (6811, 32040), (7476, 29190), (7784, 28035), (8010, 27244), (8340, 26166), (8722, 25020), (8757, 24920), (8820, 24742), (9345, 23352), (9730, 22428), (10008, 21805), (10680, 20433), (11214, 19460), (11676, 18690), (12371, 17640), (12460, 17514), (12510, 17444), (13083, 16680), (13622, 16020), (14595, 14952)]