217212660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:203

約数の個数: 288

約数和(自身を含む): 798400512

約数和(自身を除く): 581187852

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 67, 70, 83, 84, 90, 93, 105, 124, 126, 134, 140, 155, 166, 180, 186, 201, 210, 217, 249, 252, 268, 279, 310, 315, 332, 335, 372, 402, 415, 420, 434, 465, 469, 498, 558, 581, 603, 620, 630, 651, 670, 747, 804, 830, 868, 930, 938, 996, 1005, 1085, 1116, 1162, 1206, 1245, 1260, 1302, 1340, 1395, 1407, 1494, 1660, 1743, 1860, 1876, 1953, 2010, 2077, 2170, 2324, 2345, 2412, 2490, 2573, 2604, 2790, 2814, 2905, 2988, 3015, 3255, 3486, 3735, 3906, 4020, 4154, 4221, 4340, 4690, 4980, 5146, 5229, 5561, 5580, 5628, 5810, 6030, 6231, 6510, 6972, 7035, 7470, 7719, 7812, 8308, 8442, 8715, 9380, 9765, 10292, 10385, 10458, 11122, 11620, 12060, 12462, 12865, 13020, 14070, 14539, 14940, 15438, 16683, 16884, 17430, 18011, 18693, 19530, 20770, 20916, 21105, 22244, 23157, 24924, 25730, 26145, 27805, 28140, 29078, 30876, 31155, 33366, 34860, 36022, 37386, 38595, 38927, 39060, 41540, 42210, 43617, 46314, 50049, 51460, 52290, 54033, 55610, 58156, 62310, 66732, 72044, 72695, 74772, 77190, 77854, 83415, 84420, 87234, 90055, 92628, 93465, 100098, 104580, 108066, 111220, 115785, 116781, 124620, 130851, 145390, 154380, 155708, 162099, 166830, 172391, 174468, 180110, 186930, 194635, 200196, 216132, 218085, 231570, 233562, 250245, 261702, 270165, 290780, 324198, 333660, 344782, 350343, 360220, 373860, 389270, 436170, 463140, 467124, 500490, 517173, 523404, 540330, 583905, 648396, 654255, 689564, 700686, 778540, 810495, 861955, 872340, 1000980, 1034346, 1080660, 1167810, 1206737, 1308510, 1401372, 1551519, 1620990, 1723910, 1751715, 2068692, 2335620, 2413474, 2585865, 2617020, 3103038, 3241980, 3447820, 3503430, 3620211, 4826948, 5171730, 6033685, 6206076, 7006860, 7240422, 7757595, 10343460, 10860633, 12067370, 14480844, 15515190, 18101055, 21721266, 24134740, 31030380, 36202110, 43442532, 54303165, 72404220, 108606330, 217212660]

約数ペア:

[(1, 217212660), (2, 108606330), (3, 72404220), (4, 54303165), (5, 43442532), (6, 36202110), (7, 31030380), (9, 24134740), (10, 21721266), (12, 18101055), (14, 15515190), (15, 14480844), (18, 12067370), (20, 10860633), (21, 10343460), (28, 7757595), (30, 7240422), (31, 7006860), (35, 6206076), (36, 6033685), (42, 5171730), (45, 4826948), (60, 3620211), (62, 3503430), (63, 3447820), (67, 3241980), (70, 3103038), (83, 2617020), (84, 2585865), (90, 2413474), (93, 2335620), (105, 2068692), (124, 1751715), (126, 1723910), (134, 1620990), (140, 1551519), (155, 1401372), (166, 1308510), (180, 1206737), (186, 1167810), (201, 1080660), (210, 1034346), (217, 1000980), (249, 872340), (252, 861955), (268, 810495), (279, 778540), (310, 700686), (315, 689564), (332, 654255), (335, 648396), (372, 583905), (402, 540330), (415, 523404), (420, 517173), (434, 500490), (465, 467124), (469, 463140), (498, 436170), (558, 389270), (581, 373860), (603, 360220), (620, 350343), (630, 344782), (651, 333660), (670, 324198), (747, 290780), (804, 270165), (830, 261702), (868, 250245), (930, 233562), (938, 231570), (996, 218085), (1005, 216132), (1085, 200196), (1116, 194635), (1162, 186930), (1206, 180110), (1245, 174468), (1260, 172391), (1302, 166830), (1340, 162099), (1395, 155708), (1407, 154380), (1494, 145390), (1660, 130851), (1743, 124620), (1860, 116781), (1876, 115785), (1953, 111220), (2010, 108066), (2077, 104580), (2170, 100098), (2324, 93465), (2345, 92628), (2412, 90055), (2490, 87234), (2573, 84420), (2604, 83415), (2790, 77854), (2814, 77190), (2905, 74772), (2988, 72695), (3015, 72044), (3255, 66732), (3486, 62310), (3735, 58156), (3906, 55610), (4020, 54033), (4154, 52290), (4221, 51460), (4340, 50049), (4690, 46314), (4980, 43617), (5146, 42210), (5229, 41540), (5561, 39060), (5580, 38927), (5628, 38595), (5810, 37386), (6030, 36022), (6231, 34860), (6510, 33366), (6972, 31155), (7035, 30876), (7470, 29078), (7719, 28140), (7812, 27805), (8308, 26145), (8442, 25730), (8715, 24924), (9380, 23157), (9765, 22244), (10292, 21105), (10385, 20916), (10458, 20770), (11122, 19530), (11620, 18693), (12060, 18011), (12462, 17430), (12865, 16884), (13020, 16683), (14070, 15438), (14539, 14940)]