254883720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1373}}^1$

素因数の和:1424

約数の個数: 256

約数和(自身を含む): 997194240

約数和(自身を除く): 742310520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 17, 20, 21, 24, 26, 28, 30, 34, 35, 39, 40, 42, 51, 52, 56, 60, 65, 68, 70, 78, 84, 85, 91, 102, 104, 105, 119, 120, 130, 136, 140, 156, 168, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 280, 312, 340, 357, 364, 390, 408, 420, 442, 455, 476, 510, 520, 546, 595, 663, 680, 714, 728, 780, 840, 884, 910, 952, 1020, 1092, 1105, 1190, 1326, 1365, 1373, 1428, 1547, 1560, 1768, 1785, 1820, 2040, 2184, 2210, 2380, 2652, 2730, 2746, 2856, 3094, 3315, 3570, 3640, 4119, 4420, 4641, 4760, 5304, 5460, 5492, 6188, 6630, 6865, 7140, 7735, 8238, 8840, 9282, 9611, 10920, 10984, 12376, 13260, 13730, 14280, 15470, 16476, 17849, 18564, 19222, 20595, 23205, 23341, 26520, 27460, 28833, 30940, 32952, 35698, 37128, 38444, 41190, 46410, 46682, 48055, 53547, 54920, 57666, 61880, 70023, 71396, 76888, 82380, 89245, 92820, 93364, 96110, 107094, 115332, 116705, 124943, 140046, 142792, 144165, 163387, 164760, 178490, 185640, 186728, 192220, 214188, 230664, 233410, 249886, 267735, 280092, 288330, 303433, 326774, 350115, 356980, 374829, 384440, 428376, 466820, 490161, 499772, 535470, 560184, 576660, 606866, 624715, 653548, 700230, 713960, 749658, 816935, 910299, 933640, 980322, 999544, 1070940, 1153320, 1213732, 1249430, 1307096, 1400460, 1499316, 1517165, 1633870, 1820598, 1874145, 1960644, 2124031, 2141880, 2427464, 2450805, 2498860, 2800920, 2998632, 3034330, 3267740, 3641196, 3748290, 3921288, 4248062, 4551495, 4901610, 4997720, 6068660, 6372093, 6535480, 7282392, 7496580, 8496124, 9102990, 9803220, 10620155, 12137320, 12744186, 14993160, 16992248, 18205980, 19606440, 21240310, 25488372, 31860465, 36411960, 42480620, 50976744, 63720930, 84961240, 127441860, 254883720]

約数ペア:

[(1, 254883720), (2, 127441860), (3, 84961240), (4, 63720930), (5, 50976744), (6, 42480620), (7, 36411960), (8, 31860465), (10, 25488372), (12, 21240310), (13, 19606440), (14, 18205980), (15, 16992248), (17, 14993160), (20, 12744186), (21, 12137320), (24, 10620155), (26, 9803220), (28, 9102990), (30, 8496124), (34, 7496580), (35, 7282392), (39, 6535480), (40, 6372093), (42, 6068660), (51, 4997720), (52, 4901610), (56, 4551495), (60, 4248062), (65, 3921288), (68, 3748290), (70, 3641196), (78, 3267740), (84, 3034330), (85, 2998632), (91, 2800920), (102, 2498860), (104, 2450805), (105, 2427464), (119, 2141880), (120, 2124031), (130, 1960644), (136, 1874145), (140, 1820598), (156, 1633870), (168, 1517165), (170, 1499316), (182, 1400460), (195, 1307096), (204, 1249430), (210, 1213732), (221, 1153320), (238, 1070940), (255, 999544), (260, 980322), (273, 933640), (280, 910299), (312, 816935), (340, 749658), (357, 713960), (364, 700230), (390, 653548), (408, 624715), (420, 606866), (442, 576660), (455, 560184), (476, 535470), (510, 499772), (520, 490161), (546, 466820), (595, 428376), (663, 384440), (680, 374829), (714, 356980), (728, 350115), (780, 326774), (840, 303433), (884, 288330), (910, 280092), (952, 267735), (1020, 249886), (1092, 233410), (1105, 230664), (1190, 214188), (1326, 192220), (1365, 186728), (1373, 185640), (1428, 178490), (1547, 164760), (1560, 163387), (1768, 144165), (1785, 142792), (1820, 140046), (2040, 124943), (2184, 116705), (2210, 115332), (2380, 107094), (2652, 96110), (2730, 93364), (2746, 92820), (2856, 89245), (3094, 82380), (3315, 76888), (3570, 71396), (3640, 70023), (4119, 61880), (4420, 57666), (4641, 54920), (4760, 53547), (5304, 48055), (5460, 46682), (5492, 46410), (6188, 41190), (6630, 38444), (6865, 37128), (7140, 35698), (7735, 32952), (8238, 30940), (8840, 28833), (9282, 27460), (9611, 26520), (10920, 23341), (10984, 23205), (12376, 20595), (13260, 19222), (13730, 18564), (14280, 17849), (15470, 16476)]