221996880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2591}}^1$

素因数の和:2634

約数の個数: 240

約数和(自身を含む): 902513664

約数和(自身を除く): 680516784

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 168, 170, 180, 204, 210, 238, 240, 252, 255, 272, 280, 306, 315, 336, 340, 357, 360, 408, 420, 476, 504, 510, 560, 595, 612, 630, 680, 714, 720, 765, 816, 840, 952, 1008, 1020, 1071, 1190, 1224, 1260, 1360, 1428, 1530, 1680, 1785, 1904, 2040, 2142, 2380, 2448, 2520, 2591, 2856, 3060, 3570, 4080, 4284, 4760, 5040, 5182, 5355, 5712, 6120, 7140, 7773, 8568, 9520, 10364, 10710, 12240, 12955, 14280, 15546, 17136, 18137, 20728, 21420, 23319, 25910, 28560, 31092, 36274, 38865, 41456, 42840, 44047, 46638, 51820, 54411, 62184, 72548, 77730, 85680, 88094, 90685, 93276, 103640, 108822, 116595, 124368, 132141, 145096, 155460, 163233, 176188, 181370, 186552, 207280, 217644, 220235, 233190, 264282, 272055, 290192, 308329, 310920, 326466, 352376, 362740, 373104, 396423, 435288, 440470, 466380, 528564, 544110, 616658, 621840, 652932, 660705, 704752, 725480, 792846, 816165, 870576, 880940, 924987, 932760, 1057128, 1088220, 1233316, 1305864, 1321410, 1450960, 1541645, 1585692, 1632330, 1761880, 1849974, 1865520, 1982115, 2114256, 2176440, 2466632, 2611728, 2642820, 2774961, 3083290, 3171384, 3264660, 3523760, 3699948, 3964230, 4352880, 4624935, 4933264, 5285640, 5549922, 6166580, 6342768, 6529320, 7399896, 7928460, 9249870, 10571280, 11099844, 12333160, 13058640, 13874805, 14799792, 15856920, 18499740, 22199688, 24666320, 27749610, 31713840, 36999480, 44399376, 55499220, 73998960, 110998440, 221996880]

約数ペア:

[(1, 221996880), (2, 110998440), (3, 73998960), (4, 55499220), (5, 44399376), (6, 36999480), (7, 31713840), (8, 27749610), (9, 24666320), (10, 22199688), (12, 18499740), (14, 15856920), (15, 14799792), (16, 13874805), (17, 13058640), (18, 12333160), (20, 11099844), (21, 10571280), (24, 9249870), (28, 7928460), (30, 7399896), (34, 6529320), (35, 6342768), (36, 6166580), (40, 5549922), (42, 5285640), (45, 4933264), (48, 4624935), (51, 4352880), (56, 3964230), (60, 3699948), (63, 3523760), (68, 3264660), (70, 3171384), (72, 3083290), (80, 2774961), (84, 2642820), (85, 2611728), (90, 2466632), (102, 2176440), (105, 2114256), (112, 1982115), (119, 1865520), (120, 1849974), (126, 1761880), (136, 1632330), (140, 1585692), (144, 1541645), (153, 1450960), (168, 1321410), (170, 1305864), (180, 1233316), (204, 1088220), (210, 1057128), (238, 932760), (240, 924987), (252, 880940), (255, 870576), (272, 816165), (280, 792846), (306, 725480), (315, 704752), (336, 660705), (340, 652932), (357, 621840), (360, 616658), (408, 544110), (420, 528564), (476, 466380), (504, 440470), (510, 435288), (560, 396423), (595, 373104), (612, 362740), (630, 352376), (680, 326466), (714, 310920), (720, 308329), (765, 290192), (816, 272055), (840, 264282), (952, 233190), (1008, 220235), (1020, 217644), (1071, 207280), (1190, 186552), (1224, 181370), (1260, 176188), (1360, 163233), (1428, 155460), (1530, 145096), (1680, 132141), (1785, 124368), (1904, 116595), (2040, 108822), (2142, 103640), (2380, 93276), (2448, 90685), (2520, 88094), (2591, 85680), (2856, 77730), (3060, 72548), (3570, 62184), (4080, 54411), (4284, 51820), (4760, 46638), (5040, 44047), (5182, 42840), (5355, 41456), (5712, 38865), (6120, 36274), (7140, 31092), (7773, 28560), (8568, 25910), (9520, 23319), (10364, 21420), (10710, 20728), (12240, 18137), (12955, 17136), (14280, 15546)]