247122540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 288

約数和(自身を含む): 924618240

約数和(自身を除く): 677495700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 83, 84, 85, 90, 102, 105, 119, 126, 139, 140, 153, 166, 170, 180, 204, 210, 238, 249, 252, 255, 278, 306, 315, 332, 340, 357, 415, 417, 420, 476, 498, 510, 556, 581, 595, 612, 630, 695, 714, 747, 765, 830, 834, 973, 996, 1020, 1071, 1162, 1190, 1245, 1251, 1260, 1390, 1411, 1428, 1494, 1530, 1660, 1668, 1743, 1785, 1946, 2085, 2142, 2324, 2363, 2380, 2490, 2502, 2780, 2822, 2905, 2919, 2988, 3060, 3486, 3570, 3735, 3892, 4170, 4233, 4284, 4726, 4865, 4980, 5004, 5229, 5355, 5644, 5810, 5838, 6255, 6972, 7055, 7089, 7140, 7470, 8340, 8466, 8715, 8757, 9452, 9730, 9877, 10458, 10710, 11537, 11620, 11676, 11815, 12510, 12699, 14110, 14178, 14595, 14940, 16541, 16932, 17430, 17514, 19460, 19754, 20916, 21165, 21267, 21420, 23074, 23630, 25020, 25398, 26145, 28220, 28356, 29190, 29631, 33082, 34611, 34860, 35028, 35445, 39508, 42330, 42534, 43785, 46148, 47260, 49385, 49623, 50796, 52290, 57685, 58380, 59262, 63495, 66164, 69222, 70890, 80759, 82705, 84660, 85068, 87570, 88893, 98770, 99246, 103833, 104580, 106335, 115370, 118524, 126990, 138444, 141780, 148155, 148869, 161518, 165410, 173055, 175140, 177786, 196129, 197540, 198492, 207666, 212670, 230740, 242277, 248115, 253980, 296310, 297738, 323036, 330820, 346110, 355572, 392258, 403795, 415332, 425340, 444465, 484554, 496230, 519165, 588387, 592620, 595476, 692220, 726831, 744345, 784516, 807590, 888930, 969108, 980645, 992460, 1038330, 1176774, 1211385, 1372903, 1453662, 1488690, 1615180, 1765161, 1777860, 1961290, 2076660, 2353548, 2422770, 2745806, 2907324, 2941935, 2977380, 3530322, 3634155, 3922580, 4118709, 4845540, 5491612, 5883870, 6864515, 7060644, 7268310, 8237418, 8825805, 11767740, 12356127, 13729030, 14536620, 16474836, 17651610, 20593545, 24712254, 27458060, 35303220, 41187090, 49424508, 61780635, 82374180, 123561270, 247122540]

約数ペア:

[(1, 247122540), (2, 123561270), (3, 82374180), (4, 61780635), (5, 49424508), (6, 41187090), (7, 35303220), (9, 27458060), (10, 24712254), (12, 20593545), (14, 17651610), (15, 16474836), (17, 14536620), (18, 13729030), (20, 12356127), (21, 11767740), (28, 8825805), (30, 8237418), (34, 7268310), (35, 7060644), (36, 6864515), (42, 5883870), (45, 5491612), (51, 4845540), (60, 4118709), (63, 3922580), (68, 3634155), (70, 3530322), (83, 2977380), (84, 2941935), (85, 2907324), (90, 2745806), (102, 2422770), (105, 2353548), (119, 2076660), (126, 1961290), (139, 1777860), (140, 1765161), (153, 1615180), (166, 1488690), (170, 1453662), (180, 1372903), (204, 1211385), (210, 1176774), (238, 1038330), (249, 992460), (252, 980645), (255, 969108), (278, 888930), (306, 807590), (315, 784516), (332, 744345), (340, 726831), (357, 692220), (415, 595476), (417, 592620), (420, 588387), (476, 519165), (498, 496230), (510, 484554), (556, 444465), (581, 425340), (595, 415332), (612, 403795), (630, 392258), (695, 355572), (714, 346110), (747, 330820), (765, 323036), (830, 297738), (834, 296310), (973, 253980), (996, 248115), (1020, 242277), (1071, 230740), (1162, 212670), (1190, 207666), (1245, 198492), (1251, 197540), (1260, 196129), (1390, 177786), (1411, 175140), (1428, 173055), (1494, 165410), (1530, 161518), (1660, 148869), (1668, 148155), (1743, 141780), (1785, 138444), (1946, 126990), (2085, 118524), (2142, 115370), (2324, 106335), (2363, 104580), (2380, 103833), (2490, 99246), (2502, 98770), (2780, 88893), (2822, 87570), (2905, 85068), (2919, 84660), (2988, 82705), (3060, 80759), (3486, 70890), (3570, 69222), (3735, 66164), (3892, 63495), (4170, 59262), (4233, 58380), (4284, 57685), (4726, 52290), (4865, 50796), (4980, 49623), (5004, 49385), (5229, 47260), (5355, 46148), (5644, 43785), (5810, 42534), (5838, 42330), (6255, 39508), (6972, 35445), (7055, 35028), (7089, 34860), (7140, 34611), (7470, 33082), (8340, 29631), (8466, 29190), (8715, 28356), (8757, 28220), (9452, 26145), (9730, 25398), (9877, 25020), (10458, 23630), (10710, 23074), (11537, 21420), (11620, 21267), (11676, 21165), (11815, 20916), (12510, 19754), (12699, 19460), (14110, 17514), (14178, 17430), (14595, 16932), (14940, 16541)]