217737720

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:182

約数の個数: 256

約数和(自身を含む): 779328000

約数和(自身を除く): 561590280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 131, 135, 152, 162, 171, 180, 190, 216, 228, 243, 262, 270, 285, 324, 342, 360, 380, 393, 405, 456, 486, 513, 524, 540, 570, 648, 655, 684, 729, 760, 786, 810, 855, 972, 1026, 1048, 1080, 1140, 1179, 1215, 1310, 1368, 1458, 1539, 1572, 1620, 1710, 1944, 1965, 2052, 2187, 2280, 2358, 2430, 2489, 2565, 2620, 2916, 3078, 3144, 3240, 3420, 3537, 3645, 3930, 4104, 4374, 4617, 4716, 4860, 4978, 5130, 5240, 5832, 5895, 6156, 6840, 7074, 7290, 7467, 7695, 7860, 8748, 9234, 9432, 9720, 9956, 10260, 10611, 10935, 11790, 12312, 12445, 13851, 14148, 14580, 14934, 15390, 15720, 17496, 17685, 18468, 19912, 20520, 21222, 21870, 22401, 23085, 23580, 24890, 27702, 28296, 29160, 29868, 30780, 31833, 35370, 36936, 37335, 41553, 42444, 43740, 44802, 46170, 47160, 49780, 53055, 55404, 59736, 61560, 63666, 67203, 69255, 70740, 74670, 83106, 84888, 87480, 89604, 92340, 95499, 99560, 106110, 110808, 112005, 127332, 134406, 138510, 141480, 149340, 159165, 166212, 179208, 184680, 190998, 201609, 207765, 212220, 224010, 254664, 268812, 277020, 286497, 298680, 318330, 332424, 336015, 381996, 403218, 415530, 424440, 448020, 477495, 537624, 554040, 572994, 604827, 636660, 672030, 763992, 806436, 831060, 896040, 954990, 1008045, 1145988, 1209654, 1273320, 1344060, 1432485, 1612872, 1662120, 1814481, 1909980, 2016090, 2291976, 2419308, 2688120, 2864970, 3024135, 3628962, 3819960, 4032180, 4838616, 5443443, 5729940, 6048270, 7257924, 8064360, 9072405, 10886886, 11459880, 12096540, 14515848, 18144810, 21773772, 24193080, 27217215, 36289620, 43547544, 54434430, 72579240, 108868860, 217737720]

約数ペア:

[(1, 217737720), (2, 108868860), (3, 72579240), (4, 54434430), (5, 43547544), (6, 36289620), (8, 27217215), (9, 24193080), (10, 21773772), (12, 18144810), (15, 14515848), (18, 12096540), (19, 11459880), (20, 10886886), (24, 9072405), (27, 8064360), (30, 7257924), (36, 6048270), (38, 5729940), (40, 5443443), (45, 4838616), (54, 4032180), (57, 3819960), (60, 3628962), (72, 3024135), (76, 2864970), (81, 2688120), (90, 2419308), (95, 2291976), (108, 2016090), (114, 1909980), (120, 1814481), (131, 1662120), (135, 1612872), (152, 1432485), (162, 1344060), (171, 1273320), (180, 1209654), (190, 1145988), (216, 1008045), (228, 954990), (243, 896040), (262, 831060), (270, 806436), (285, 763992), (324, 672030), (342, 636660), (360, 604827), (380, 572994), (393, 554040), (405, 537624), (456, 477495), (486, 448020), (513, 424440), (524, 415530), (540, 403218), (570, 381996), (648, 336015), (655, 332424), (684, 318330), (729, 298680), (760, 286497), (786, 277020), (810, 268812), (855, 254664), (972, 224010), (1026, 212220), (1048, 207765), (1080, 201609), (1140, 190998), (1179, 184680), (1215, 179208), (1310, 166212), (1368, 159165), (1458, 149340), (1539, 141480), (1572, 138510), (1620, 134406), (1710, 127332), (1944, 112005), (1965, 110808), (2052, 106110), (2187, 99560), (2280, 95499), (2358, 92340), (2430, 89604), (2489, 87480), (2565, 84888), (2620, 83106), (2916, 74670), (3078, 70740), (3144, 69255), (3240, 67203), (3420, 63666), (3537, 61560), (3645, 59736), (3930, 55404), (4104, 53055), (4374, 49780), (4617, 47160), (4716, 46170), (4860, 44802), (4978, 43740), (5130, 42444), (5240, 41553), (5832, 37335), (5895, 36936), (6156, 35370), (6840, 31833), (7074, 30780), (7290, 29868), (7467, 29160), (7695, 28296), (7860, 27702), (8748, 24890), (9234, 23580), (9432, 23085), (9720, 22401), (9956, 21870), (10260, 21222), (10611, 20520), (10935, 19912), (11790, 18468), (12312, 17685), (12445, 17496), (13851, 15720), (14148, 15390), (14580, 14934)]