221420760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:198

約数の個数: 256

約数和(自身を含む): 766402560

約数和(自身を除く): 544981800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 47, 55, 60, 66, 83, 86, 88, 94, 110, 120, 129, 132, 141, 165, 166, 172, 188, 215, 220, 235, 249, 258, 264, 282, 330, 332, 344, 376, 415, 430, 440, 470, 473, 498, 516, 517, 564, 645, 660, 664, 705, 830, 860, 913, 940, 946, 996, 1032, 1034, 1128, 1245, 1290, 1320, 1410, 1419, 1551, 1660, 1720, 1826, 1880, 1892, 1992, 2021, 2068, 2365, 2490, 2580, 2585, 2739, 2820, 2838, 3102, 3320, 3569, 3652, 3784, 3901, 4042, 4136, 4565, 4730, 4980, 5160, 5170, 5478, 5640, 5676, 6063, 6204, 7095, 7138, 7304, 7755, 7802, 8084, 9130, 9460, 9960, 10105, 10340, 10707, 10956, 11352, 11703, 12126, 12408, 13695, 14190, 14276, 15510, 15604, 16168, 17845, 18260, 18920, 19505, 20210, 20680, 21414, 21912, 22231, 23406, 24252, 27390, 28380, 28552, 30315, 31020, 31208, 35690, 36520, 39010, 39259, 40420, 42828, 42911, 44462, 46812, 48504, 53535, 54780, 56760, 58515, 60630, 62040, 66693, 71380, 78020, 78518, 80840, 85656, 85822, 88924, 93624, 107070, 109560, 111155, 117030, 117777, 121260, 128733, 133386, 142760, 156040, 157036, 167743, 171644, 177848, 196295, 214140, 214555, 222310, 234060, 235554, 242520, 257466, 266772, 314072, 333465, 335486, 343288, 392590, 428280, 429110, 444620, 468120, 471108, 503229, 514932, 533544, 588885, 643665, 666930, 670972, 785180, 838715, 858220, 889240, 942216, 1006458, 1029864, 1177770, 1287330, 1333860, 1341944, 1570360, 1677430, 1716440, 1845173, 2012916, 2355540, 2516145, 2574660, 2667720, 3354860, 3690346, 4025832, 4711080, 5032290, 5149320, 5535519, 6709720, 7380692, 9225865, 10064580, 11071038, 14761384, 18451730, 20129160, 22142076, 27677595, 36903460, 44284152, 55355190, 73806920, 110710380, 221420760]

約数ペア:

[(1, 221420760), (2, 110710380), (3, 73806920), (4, 55355190), (5, 44284152), (6, 36903460), (8, 27677595), (10, 22142076), (11, 20129160), (12, 18451730), (15, 14761384), (20, 11071038), (22, 10064580), (24, 9225865), (30, 7380692), (33, 6709720), (40, 5535519), (43, 5149320), (44, 5032290), (47, 4711080), (55, 4025832), (60, 3690346), (66, 3354860), (83, 2667720), (86, 2574660), (88, 2516145), (94, 2355540), (110, 2012916), (120, 1845173), (129, 1716440), (132, 1677430), (141, 1570360), (165, 1341944), (166, 1333860), (172, 1287330), (188, 1177770), (215, 1029864), (220, 1006458), (235, 942216), (249, 889240), (258, 858220), (264, 838715), (282, 785180), (330, 670972), (332, 666930), (344, 643665), (376, 588885), (415, 533544), (430, 514932), (440, 503229), (470, 471108), (473, 468120), (498, 444620), (516, 429110), (517, 428280), (564, 392590), (645, 343288), (660, 335486), (664, 333465), (705, 314072), (830, 266772), (860, 257466), (913, 242520), (940, 235554), (946, 234060), (996, 222310), (1032, 214555), (1034, 214140), (1128, 196295), (1245, 177848), (1290, 171644), (1320, 167743), (1410, 157036), (1419, 156040), (1551, 142760), (1660, 133386), (1720, 128733), (1826, 121260), (1880, 117777), (1892, 117030), (1992, 111155), (2021, 109560), (2068, 107070), (2365, 93624), (2490, 88924), (2580, 85822), (2585, 85656), (2739, 80840), (2820, 78518), (2838, 78020), (3102, 71380), (3320, 66693), (3569, 62040), (3652, 60630), (3784, 58515), (3901, 56760), (4042, 54780), (4136, 53535), (4565, 48504), (4730, 46812), (4980, 44462), (5160, 42911), (5170, 42828), (5478, 40420), (5640, 39259), (5676, 39010), (6063, 36520), (6204, 35690), (7095, 31208), (7138, 31020), (7304, 30315), (7755, 28552), (7802, 28380), (8084, 27390), (9130, 24252), (9460, 23406), (9960, 22231), (10105, 21912), (10340, 21414), (10707, 20680), (10956, 20210), (11352, 19505), (11703, 18920), (12126, 18260), (12408, 17845), (13695, 16168), (14190, 15604), (14276, 15510)]