221165280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1$

素因数の和:658

約数の個数: 288

約数和(自身を含む): 887350464

約数和(自身を除く): 666185184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 37, 40, 42, 45, 48, 56, 60, 63, 70, 72, 74, 80, 84, 90, 96, 105, 111, 112, 120, 126, 140, 144, 148, 160, 168, 180, 185, 210, 222, 224, 240, 252, 259, 280, 288, 296, 315, 333, 336, 360, 370, 420, 444, 480, 504, 518, 555, 560, 592, 593, 630, 666, 672, 720, 740, 777, 840, 888, 1008, 1036, 1110, 1120, 1184, 1186, 1260, 1295, 1332, 1440, 1480, 1554, 1665, 1680, 1776, 1779, 2016, 2072, 2220, 2331, 2372, 2520, 2590, 2664, 2960, 2965, 3108, 3330, 3360, 3552, 3558, 3885, 4144, 4151, 4440, 4662, 4744, 5040, 5180, 5328, 5337, 5920, 5930, 6216, 6660, 7116, 7770, 8288, 8302, 8880, 8895, 9324, 9488, 10080, 10360, 10656, 10674, 11655, 11860, 12432, 12453, 13320, 14232, 15540, 16604, 17760, 17790, 18648, 18976, 20720, 20755, 21348, 21941, 23310, 23720, 24864, 24906, 26640, 26685, 28464, 31080, 33208, 35580, 37296, 37359, 41440, 41510, 42696, 43882, 46620, 47440, 49812, 53280, 53370, 56928, 62160, 62265, 65823, 66416, 71160, 74592, 74718, 83020, 85392, 87764, 93240, 94880, 99624, 106740, 109705, 124320, 124530, 131646, 132832, 142320, 149436, 153587, 166040, 170784, 175528, 186480, 186795, 197469, 199248, 213480, 219410, 249060, 263292, 284640, 298872, 307174, 329115, 332080, 351056, 372960, 373590, 394938, 398496, 426960, 438820, 460761, 498120, 526584, 597744, 614348, 658230, 664160, 702112, 747180, 767935, 789876, 853920, 877640, 921522, 987345, 996240, 1053168, 1195488, 1228696, 1316460, 1382283, 1494360, 1535870, 1579752, 1755280, 1843044, 1974690, 1992480, 2106336, 2303805, 2457392, 2632920, 2764566, 2988720, 3071740, 3159504, 3510560, 3686088, 3949380, 4607610, 4914784, 5265840, 5529132, 5977440, 6143480, 6319008, 6911415, 7372176, 7898760, 9215220, 10531680, 11058264, 12286960, 13822830, 14744352, 15797520, 18430440, 22116528, 24573920, 27645660, 31595040, 36860880, 44233056, 55291320, 73721760, 110582640, 221165280]

約数ペア:

[(1, 221165280), (2, 110582640), (3, 73721760), (4, 55291320), (5, 44233056), (6, 36860880), (7, 31595040), (8, 27645660), (9, 24573920), (10, 22116528), (12, 18430440), (14, 15797520), (15, 14744352), (16, 13822830), (18, 12286960), (20, 11058264), (21, 10531680), (24, 9215220), (28, 7898760), (30, 7372176), (32, 6911415), (35, 6319008), (36, 6143480), (37, 5977440), (40, 5529132), (42, 5265840), (45, 4914784), (48, 4607610), (56, 3949380), (60, 3686088), (63, 3510560), (70, 3159504), (72, 3071740), (74, 2988720), (80, 2764566), (84, 2632920), (90, 2457392), (96, 2303805), (105, 2106336), (111, 1992480), (112, 1974690), (120, 1843044), (126, 1755280), (140, 1579752), (144, 1535870), (148, 1494360), (160, 1382283), (168, 1316460), (180, 1228696), (185, 1195488), (210, 1053168), (222, 996240), (224, 987345), (240, 921522), (252, 877640), (259, 853920), (280, 789876), (288, 767935), (296, 747180), (315, 702112), (333, 664160), (336, 658230), (360, 614348), (370, 597744), (420, 526584), (444, 498120), (480, 460761), (504, 438820), (518, 426960), (555, 398496), (560, 394938), (592, 373590), (593, 372960), (630, 351056), (666, 332080), (672, 329115), (720, 307174), (740, 298872), (777, 284640), (840, 263292), (888, 249060), (1008, 219410), (1036, 213480), (1110, 199248), (1120, 197469), (1184, 186795), (1186, 186480), (1260, 175528), (1295, 170784), (1332, 166040), (1440, 153587), (1480, 149436), (1554, 142320), (1665, 132832), (1680, 131646), (1776, 124530), (1779, 124320), (2016, 109705), (2072, 106740), (2220, 99624), (2331, 94880), (2372, 93240), (2520, 87764), (2590, 85392), (2664, 83020), (2960, 74718), (2965, 74592), (3108, 71160), (3330, 66416), (3360, 65823), (3552, 62265), (3558, 62160), (3885, 56928), (4144, 53370), (4151, 53280), (4440, 49812), (4662, 47440), (4744, 46620), (5040, 43882), (5180, 42696), (5328, 41510), (5337, 41440), (5920, 37359), (5930, 37296), (6216, 35580), (6660, 33208), (7116, 31080), (7770, 28464), (8288, 26685), (8302, 26640), (8880, 24906), (8895, 24864), (9324, 23720), (9488, 23310), (10080, 21941), (10360, 21348), (10656, 20755), (10674, 20720), (11655, 18976), (11860, 18648), (12432, 17790), (12453, 17760), (13320, 16604), (14232, 15540)]