213721620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{809}}^1$

素因数の和:882

約数の個数: 192

約数和(自身を含む): 744629760

約数和(自身を除く): 530908140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 37, 42, 51, 60, 68, 70, 74, 84, 85, 102, 105, 111, 119, 140, 148, 170, 185, 204, 210, 222, 238, 255, 259, 340, 357, 370, 420, 444, 476, 510, 518, 555, 595, 629, 714, 740, 777, 809, 1020, 1036, 1110, 1190, 1258, 1295, 1428, 1554, 1618, 1785, 1887, 2220, 2380, 2427, 2516, 2590, 3108, 3145, 3236, 3570, 3774, 3885, 4045, 4403, 4854, 5180, 5663, 6290, 7140, 7548, 7770, 8090, 8806, 9435, 9708, 11326, 12135, 12580, 13209, 13753, 15540, 16180, 16989, 17612, 18870, 22015, 22652, 24270, 26418, 27506, 28315, 29933, 33978, 37740, 41259, 44030, 48540, 52836, 55012, 56630, 59866, 66045, 67956, 68765, 82518, 84945, 88060, 89799, 96271, 113260, 119732, 132090, 137530, 149665, 165036, 169890, 179598, 192542, 206295, 209531, 264180, 275060, 288813, 299330, 339780, 359196, 385084, 412590, 419062, 448995, 481355, 508861, 577626, 598660, 628593, 825180, 838124, 897990, 962710, 1017722, 1047655, 1155252, 1257186, 1444065, 1526583, 1795980, 1925420, 2035444, 2095310, 2514372, 2544305, 2888130, 3053166, 3142965, 3562027, 4190620, 5088610, 5776260, 6106332, 6285930, 7124054, 7632915, 10177220, 10686081, 12571860, 14248108, 15265830, 17810135, 21372162, 30531660, 35620270, 42744324, 53430405, 71240540, 106860810, 213721620]

約数ペア:

[(1, 213721620), (2, 106860810), (3, 71240540), (4, 53430405), (5, 42744324), (6, 35620270), (7, 30531660), (10, 21372162), (12, 17810135), (14, 15265830), (15, 14248108), (17, 12571860), (20, 10686081), (21, 10177220), (28, 7632915), (30, 7124054), (34, 6285930), (35, 6106332), (37, 5776260), (42, 5088610), (51, 4190620), (60, 3562027), (68, 3142965), (70, 3053166), (74, 2888130), (84, 2544305), (85, 2514372), (102, 2095310), (105, 2035444), (111, 1925420), (119, 1795980), (140, 1526583), (148, 1444065), (170, 1257186), (185, 1155252), (204, 1047655), (210, 1017722), (222, 962710), (238, 897990), (255, 838124), (259, 825180), (340, 628593), (357, 598660), (370, 577626), (420, 508861), (444, 481355), (476, 448995), (510, 419062), (518, 412590), (555, 385084), (595, 359196), (629, 339780), (714, 299330), (740, 288813), (777, 275060), (809, 264180), (1020, 209531), (1036, 206295), (1110, 192542), (1190, 179598), (1258, 169890), (1295, 165036), (1428, 149665), (1554, 137530), (1618, 132090), (1785, 119732), (1887, 113260), (2220, 96271), (2380, 89799), (2427, 88060), (2516, 84945), (2590, 82518), (3108, 68765), (3145, 67956), (3236, 66045), (3570, 59866), (3774, 56630), (3885, 55012), (4045, 52836), (4403, 48540), (4854, 44030), (5180, 41259), (5663, 37740), (6290, 33978), (7140, 29933), (7548, 28315), (7770, 27506), (8090, 26418), (8806, 24270), (9435, 22652), (9708, 22015), (11326, 18870), (12135, 17612), (12580, 16989), (13209, 16180), (13753, 15540)]