221895520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:154

約数の個数: 288

約数和(自身を含む): 694987776

約数和(自身を除く): 473092256

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 49, 55, 56, 62, 70, 77, 80, 83, 88, 98, 110, 112, 124, 140, 154, 155, 160, 166, 176, 196, 217, 220, 224, 245, 248, 280, 308, 310, 332, 341, 352, 385, 392, 415, 434, 440, 490, 496, 539, 560, 581, 616, 620, 664, 682, 770, 784, 830, 868, 880, 913, 980, 992, 1078, 1085, 1120, 1162, 1232, 1240, 1328, 1364, 1519, 1540, 1568, 1660, 1705, 1736, 1760, 1826, 1960, 2156, 2170, 2324, 2387, 2464, 2480, 2573, 2656, 2695, 2728, 2905, 3038, 3080, 3320, 3410, 3472, 3652, 3920, 4067, 4312, 4340, 4565, 4648, 4774, 4960, 5146, 5390, 5456, 5810, 6076, 6160, 6391, 6640, 6820, 6944, 7304, 7595, 7840, 8134, 8624, 8680, 9130, 9296, 9548, 10292, 10780, 10912, 11620, 11935, 12152, 12320, 12782, 12865, 13280, 13640, 14608, 15190, 16268, 16709, 17248, 17360, 18011, 18260, 18592, 19096, 20335, 20584, 21560, 23240, 23870, 24304, 25564, 25730, 27280, 28303, 29216, 30380, 31955, 32536, 33418, 34720, 36022, 36520, 38192, 40670, 41168, 43120, 44737, 46480, 47740, 48608, 51128, 51460, 54560, 56606, 60760, 63910, 65072, 66836, 72044, 73040, 76384, 81340, 82336, 83545, 86240, 89474, 90055, 92960, 95480, 102256, 102920, 113212, 121520, 126077, 127820, 130144, 133672, 141515, 144088, 146080, 162680, 167090, 178948, 180110, 190960, 198121, 204512, 205840, 223685, 226424, 243040, 252154, 255640, 267344, 283030, 288176, 325360, 334180, 357896, 360220, 381920, 396242, 411680, 447370, 452848, 504308, 511280, 534688, 566060, 576352, 630385, 650720, 668360, 715792, 720440, 792484, 894740, 905696, 990605, 1008616, 1022560, 1132120, 1260770, 1336720, 1386847, 1431584, 1440880, 1584968, 1789480, 1981210, 2017232, 2264240, 2521540, 2673440, 2773694, 2881760, 3169936, 3578960, 3962420, 4034464, 4528480, 5043080, 5547388, 6339872, 6934235, 7157920, 7924840, 10086160, 11094776, 13868470, 15849680, 20172320, 22189552, 27736940, 31699360, 44379104, 55473880, 110947760, 221895520]

約数ペア:

[(1, 221895520), (2, 110947760), (4, 55473880), (5, 44379104), (7, 31699360), (8, 27736940), (10, 22189552), (11, 20172320), (14, 15849680), (16, 13868470), (20, 11094776), (22, 10086160), (28, 7924840), (31, 7157920), (32, 6934235), (35, 6339872), (40, 5547388), (44, 5043080), (49, 4528480), (55, 4034464), (56, 3962420), (62, 3578960), (70, 3169936), (77, 2881760), (80, 2773694), (83, 2673440), (88, 2521540), (98, 2264240), (110, 2017232), (112, 1981210), (124, 1789480), (140, 1584968), (154, 1440880), (155, 1431584), (160, 1386847), (166, 1336720), (176, 1260770), (196, 1132120), (217, 1022560), (220, 1008616), (224, 990605), (245, 905696), (248, 894740), (280, 792484), (308, 720440), (310, 715792), (332, 668360), (341, 650720), (352, 630385), (385, 576352), (392, 566060), (415, 534688), (434, 511280), (440, 504308), (490, 452848), (496, 447370), (539, 411680), (560, 396242), (581, 381920), (616, 360220), (620, 357896), (664, 334180), (682, 325360), (770, 288176), (784, 283030), (830, 267344), (868, 255640), (880, 252154), (913, 243040), (980, 226424), (992, 223685), (1078, 205840), (1085, 204512), (1120, 198121), (1162, 190960), (1232, 180110), (1240, 178948), (1328, 167090), (1364, 162680), (1519, 146080), (1540, 144088), (1568, 141515), (1660, 133672), (1705, 130144), (1736, 127820), (1760, 126077), (1826, 121520), (1960, 113212), (2156, 102920), (2170, 102256), (2324, 95480), (2387, 92960), (2464, 90055), (2480, 89474), (2573, 86240), (2656, 83545), (2695, 82336), (2728, 81340), (2905, 76384), (3038, 73040), (3080, 72044), (3320, 66836), (3410, 65072), (3472, 63910), (3652, 60760), (3920, 56606), (4067, 54560), (4312, 51460), (4340, 51128), (4565, 48608), (4648, 47740), (4774, 46480), (4960, 44737), (5146, 43120), (5390, 41168), (5456, 40670), (5810, 38192), (6076, 36520), (6160, 36022), (6391, 34720), (6640, 33418), (6820, 32536), (6944, 31955), (7304, 30380), (7595, 29216), (7840, 28303), (8134, 27280), (8624, 25730), (8680, 25564), (9130, 24304), (9296, 23870), (9548, 23240), (10292, 21560), (10780, 20584), (10912, 20335), (11620, 19096), (11935, 18592), (12152, 18260), (12320, 18011), (12782, 17360), (12865, 17248), (13280, 16709), (13640, 16268), (14608, 15190)]